A security issue has been reported to us that affects vBulletin 5. We have released security patches for the versions vBulletin 5.1.1 through 5.1.4 to account for this vulnerability. The issue allows potential unsanitized input via attachments. It is recommended that all users update as soon as possible. If you're using a version of vBulletin 5 older than 5.1.4, it is recommended that you upgrade to that version as soon as possible.You can download the patch for your version here: http://members.vbulletin.com/patches.phpTo install the patch:
1) Download the appropriate files for your version of vBulletin 5 then upload all files found within the zip file. Make sure to overwrite the existing files on your server.
2) Locate the file...