XSS vulnerability in the search module of synType CMS

[advisory () htbridge ch]

Vulnerability ID: HTB22416
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_the_search_module_of_syntype_cms.html
Product: synType CMS
Vendor: MindArray GbR
Vulnerable Version: V.0.12.2 and Probably Prior Versions
Vendor Notification: 03 June 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 search script to properly sanitize user-supplied input in "search" 
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 by entering search text like:

search"><script>alert(document.cookie)</script>