Secunia Security Advisory – Valentin Hoebel has discovered some vulnerabilities in Sethi Family Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/88902/sa39597.txt
Source: https://packetstormsecurity.com/files/88902/Secunia-Security-Advisory-39597.html

