Vbulletin

Possible active 0day

We have been trying to validity a possible 0day in vBulletin. While we do not have definitive proof that one exists at this time, we decided to send out a alert to be on the safe side.
You can read more about it here: http://thehackernews.com/2013/11/vBulletin-hacked-Zero-Day-vulnerability.html?m=1

Various forums have taken their sites down until further notice, if you are going to keep your forum online make sure you have great backups.