Secunia Security Advisory – Aliaksandr Hartsuyeu has discovered a vulnerability in MyBB, which can be exploited by malicious users to conduct script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48511/sa21181.txt
Source: https://packetstormsecurity.com/files/48511/Secunia-Security-Advisory-21181.html