Secunia Security Advisory – Nomenumbra has discovered a vulnerability in PHP-AGTC membership system, which can be exploited by malicious users to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46810/sa20305.txt
Source: https://packetstormsecurity.com/files/46810/Secunia-Security-Advisory-20305.html