XSS vulnerability in Edit-X CMS

[advisory () htbridge ch]

Vulnerability ID: HTB22542
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_edit_x_cms.html
Product: Edit-X CMS
Vendor: Edit-X, Inc. ( http://www.edit-x.com/ ) 
Vulnerable Version: Current at 27.07.2010 and Probably Prior Versions
Vendor Notification: 27 July 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

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

The vulnerability exists due to failure in the "index.php" script to properly sanitize user-supplied input in 
"search_text" 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/index.php?w=5&search_text=%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E