Secunia Security Advisory – Aliaksandr Hartsuyeu has discovered some vulnerabilities in phphg Guestbook, which can be exploited by malicious people to conduct script insertion and SQL injection attacks, and bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43665/sa18758.txt
Source: https://packetstormsecurity.com/files/43665/Secunia-Security-Advisory-18758.html