"Macrumors.com was based on vBulletin CMS. We use our 0day exploit vBulletin, got password moderator. 860000 user data hacked too. The network security is a myth" he told me.
"Very recently, our security team discovered sophisticated attacks on our network, involving the illegal access of forum user information, possibly including your password."
Update : World biggest Hacking Conference DEF CON forum also goes down because of the vBulletin zero day exploit in the wild.