bugtraq - XSS vulnerability in LiSK CMS

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Message-Id: <201005201817.o4KIHfnH084709@htbridge.ch>
Date: Thu, 20 May 2010 20:17:41 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: XSS vulnerability in LiSK CMS

Vulnerability ID: HTB22374
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_lisk_cms.html
Product: LiSK CMS
Vendor: Createch-group 
Vulnerable Version: 4.4
Vendor Notification: 06 May 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

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

The vulnerability exists due to failure in the "/list_content.php" script to properly sanitize user-supplied input in "id" 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: 

http://host/path_to_cp/list_content.php?cl=2%27%22%3E%3Cimg+src=x+onerror=alert%28document.cookie%29%3E