Multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0 have unknown impact and attack vectors, a different set of vulnerabilities than those identified by CVE-2005-4199.
http://www.vupen.com/english/advisories/2005/2842
http://www.securityfocus.com/bid/15793
http://secunia.com/advisories/18000
http://community.mybboard.net/showthread.php?tid=5184&pid=30964#pid30964