A data integrity exploit has been discovered in vBulletin 5. This exploit was discovered by our Quality Assurance team. The issue affects all versions of vBulletin 5 Connect, including 5.0.0, 5.0.1, 5.0.2, 5.0.3, and 5.0.4. We have released security patches for all versions and they are available immediately. It is recommended that you upload the patches to your server immediately.
If you're not currently using vBulletin 5.0.4, we would recommend that you upgrade to this version with the included patch. This will provide the best possible vBulletin 5 Connect experience for you and your users. If there is some reason that you cannot upgrade, a patch has been provided for your version.
You can download the patch for your version here...