Secunia Security Advisory – Russ McRee has reported some vulnerabilities in signkorn Guestbook, which can be exploited by malicious people to conduct cross-site scripting and cross-site request forgery attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80104/sa36151.txt
Source: https://packetstormsecurity.com/files/80104/Secunia-Security-Advisory-36151.html