Secunia Security Advisory – Some vulnerabilities have been reported in MyBB, which can be exploited by malicious people to conduct cross-site request forgery attacks and bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/88376/sa39378.txt
Source: https://packetstormsecurity.com/files/88376/Secunia-Security-Advisory-39378.html