Secunia Security Advisory – Jesper Jurcenoks has discovered some vulnerabilities in Advanced Guestbook, which can be exploited by malicious people to disclose sensitive information or to conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/56583/sa25153.txt
Source: https://packetstormsecurity.com/files/56583/Secunia-Security-Advisory-25153.html