vbulletin vulnerability

Pop-up ads are annoying. Unfortunately many sites rely on them to pay for their operational expenses and even to make some extra cash. However when you see pop-ups on your own site and you never added such ads yourself, you know that something is wrong. Recently, an owner of a vBulletin forum...

Please fix your site. I'm honestly sick of this now. But before I go into depth this thread isn't designed to cause drama it's a warning to vBulletin clients and hopefully a kick up the damn butt to vBulletin's staff. I recently spotted this thread...

As vbulletin does not support IPv6 its possible for hackers to query the verify username function for millions of possible usernames and find out what accounts exist on your system. Then they can just bypass the maximum login attempts and brute force those accounts. I have just encountered a...