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www.waraxe.us Forum Index -> PhpBB -> phpbb 2.0.21 xss admin
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phpbb 2.0.21 xss admin
PostPosted: Mon Jul 17, 2006 12:29 pm Reply with quote
Valuable expert
Valuable expert
Joined: Mar 16, 2005
Posts: 42

phpBB 2.0.21 XSS in administration

//-- By Blwood [renatrix@gmail.com]
//-- [ http://www.blwood.net ]

Style Admin

Management & Create a theme

Lots of input are not properly "filtrate" like style_name, head_stylesheet, body_background, tr_color1_name (all the input in simple name)...

We cand ofcourse inject html in this way : "><h1>Owned by Blwood :P</h1>
but it's more interresting to inject javascript :) :
"><body onload="alert('Owned by Blwood')"> => style_name
"><script>alert('Owned by Blwood')</script> => head_stylesheet, body_background, ...
When an admin will go in Style Administration he will be Owned. (inject in style_name)
When an admin will edit a them he will be Owned.

Group Administration


Input group_description is not correctly "filtrated" we can inject js like this : "><script>alert('Owned by Blwood')</script> or </textare>"><script>alert('Owned by Blwood')</script>
When an admin will go in Group administration he'll be owned. But what's more, the groups can be seen in groupcp.php
by every visitors.
An exploit could be :


Rank Administration

Rank Title (input title) is not correctly filtrated, we can inject js like : "><script>alert('xss')</script>
But what's interresting, if you give this rank to an user, the rank will appear in user's topics and the code will be executed when someone sees a topic :)
Now you can inject what you want but maximum 40 caracters...


Smiles Editing Utility

Smiley Code : "><body onload="alert('Owned by Blwood')">


General Configuartion

Inputs are not correctyle filtrated : Ex : allow_html_tags => "><script>alert('Owned by Blwood')</script>

[ Video ]


#End here

Credit goes to exploit author.

Video tutorial have been host here
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phpbb 2.0.21 xss admin
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