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www.waraxe.us Forum Index -> PhpNuke -> posible XSS in phpNuke 7.4
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posible XSS in phpNuke 7.4
PostPosted: Thu Nov 04, 2004 8:50 pm Reply with quote
Joined: Nov 04, 2004
Posts: 4

Ok while seaching for SQL injections in phpNuke 7.4 I found this code in Private_Messages/index.php


      if ( $submit )
                if ( !empty($HTTP_POST_VARS['username']) )
                        $to_username = $HTTP_POST_VARS['username'];

                        $sql = "SELECT user_id, user_notify_pm, user_email, user_lang, user_active
                                FROM " . USERS_TABLE . "
                                WHERE username = '" . str_replace("\'", "''", $to_username) . "'
                                        AND user_id <> " . ANONYMOUS;
                        if ( !($result = $db->sql_query($sql)) )
                                $error = TRUE;
                                $error_msg = $lang['No_such_user'];

                        $to_userdata = $db->sql_fetchrow($result);
                        $error = TRUE;
                        $error_msg .= ( ( !empty($error_msg) ) ? '<br />' : '' ) . $lang['No_to_user'];

                $privmsg_subject = trim(strip_tags($HTTP_POST_VARS['subject']));

I can't see were $error_msg has been initialized so if you create a form to send the POST variable "post" and send the $error_msg with the XSS code it might work if register_global is on

I haven tested it as I am to lazy to get a phpNuke 7.4 working but I checked the last chatserv patched version and the code is still the same.
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posible XSS in phpNuke 7.4
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