Secunia Security Advisory – Javor Ninov has discovered some vulnerabilities in Big Webmaster Guestbook Script, which can be exploited by malicious people to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46041/sa19971.txt
Source: https://packetstormsecurity.com/files/46041/Secunia-Security-Advisory-19971.html