Secunia Security Advisory – Some vulnerabilities have been reported 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/78855/sa35574.txt
Source: https://packetstormsecurity.com/files/78855/Secunia-Security-Advisory-35574.html