Security Patch - vBulletin 5.2.0, 5.2.1, 5.2.2

[vB.Org System]

A potential security issue has been reported to the vBulletin team. This issue could allow remote content to compromise your system. To fix this issue, we have created a new security patch.

You can download the patch for your version here: http://members.vbulletin.com/patches.php

To install the patch:
1) Download the appropriate files for your version of vBulletin 5
2) Upload all files found within the zip file. Make sure to overwrite the existing files on your server.

If you are using a version of vBulletin 5 Connect prior to 5.2.1, you are encouraged to upgrade as soon as possible to protect your content.

vBulletin Cloud sites have already had this fix applied.

Patches:
5.2.2 Patch Level 1
5.2.1 Patch Level 1
5.2.0 Patch Level 3

This issue has been resolved in 5.2.3 Release Candidate 3. Customers using a pre-release copy of 5.2.3 are encouraged to upgrade as soon as possible.