Exploit Question
 

One of my members threatened me to hack my board and today he I would assume used some exploit to make counless posts containing "sitename1", "sitename2" and so on in all of the forums.
I removed all of his posts, made time betwene posts 30 sec and banned him, but is there any other way to prevent those occurances in the future? also does anybody know whihc exploit he used or where can I get mroe info on that topic?

What modifcations do you have installed?

Here ;)

I don't see an obvious vulnerable modification in that list.

What was your time between posts set to before you changed it?

It was about 4 seconds.

That's way to small, you should set it to about 30 seconds.

yeah, I did now.
Any idea what he used to do that?

His own fingers and the copy and paste function.

you think so?
what he did is pretty much paste sitename1, sitename 2 all the way untill like 740....
I really doubt someone would do that by hand.....

There are many programs on the net that can auto-submit webbased forms.

Read How to Reduce Spam and Registration Bots @ vbulletin.com
http://www.vbulletin.com/forum/showthread.php?t=211647

As long as you have the latest version of vB installed with sensible mods / settings then the only chance of your forum getting hacked is if your server is comprimised.