A recent vBulletin report indicated that there was a potential exploit vector in flood protection. Once the cause of the issue was isolated, code changes were made to eliminate the reported threat.
This issue affects BOTH vBulletin 3 and vBulletin 4 (Suite & Forum).
A patch has been issued for vBulletin 3.8.7 through 4.2.
To improve the security of your vBulletin 4 installation, please download the patch from the members area of vBulletin: Please Log In
The standard upgrade process for a patch level release is:
Download the patch for the version of vBulletin you're currently running fromhttps://members.vbulletin.com/patches.php.
Extract the vBulletin patch files from the zip file.
Upload the patch files to your server, overwriting...