vbulletin 3.0.x PHP code execution

Vulnerable Systems: ---------------- vBulletin version 3.0 up to and including version 3.0.4 Immune systems: ---------------- vBulletin version 3.0.5 vBulletin version 3.0.6 Vulnerable code in forumdisplay.php : if $vboptions'showforumusers' . . . . if $bbuserinfo'userid' . . . . $comma = ', ';...