Reviewpost - Version Update: 4.02 - Security Update!
VERSION UPDATE: 4.02
Rollup of minor fixes and one security fix for vBulletin users.
vBulletin users: If you upload no other file you should at least upload the forums/vb3.php script to protect your site from this exploit.
Updated files from 4.01 release:
You do not need to run the upgrade script for this update; you only need update the changed files.