XSS vulnerability in AContent search

[advisory () htbridge ch]

Vulnerability ID: HTB22596
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_acontent_search.html
Product: AContent
Vendor: Inclusive Design Institute ( http://www.atutor.ca/ ) 
Vulnerable Version: 1.0
Vendor Notification: 01 September 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 "home/search.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/home/search.php?search_text=txt";><script>alert(document.cookie)</script>&catid=&search=Search