Secunia Security Advisory – r0t has discovered a vulnerability in OOApp 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/42699/sa18242.txt
Source: https://packetstormsecurity.com/files/42699/Secunia-Security-Advisory-18242.html