seeing that this board is vbulletin software 3.7.0.
from some research the only exploit i can see on vbulletin side is this mod.
mod:
http://www.vbulletin.org/forum/showthread.php?t=144869
source:
http://www.cyber-warrior.org/Forum/display_topic_threads.asp?ForumID=32&TopicID=262531&PagePosition=&showActive=&ReturnPage=Active
im not sure if we have that mod installed but i believe that could be the one if we do have that one.