Revolution 2.6.4 and Prior Two Cricital Vulnerabilities; Upgrade Mandatory/Patch

By Jay Gilmore
July 12, 2018
Revolution 2.6.4 and Prior Two Cricital Vulnerabilities; Upgrade Mandatory/Patch

Product: MODX Revolution
Severity: Critical
Versions: <=2.6.4
Vulnerability type(s): Remote Execution / File/Directory Deletion
Report date: 2018-Jul-11
Fixed date: 2018-Jul-12

On July 11 we received notice that there are two critical vulnerabilities that include remote script execution and file/directory removal. These issues are critical in nature. It is possible for attackers to compromise the website or deface or delete files or directories.

Affected Releases
All MODX Revolution releases prior to and including 2.6.4


  1. Upgrade to MODX Revolution 2.6.5 or above.
  2. If you're on 2.6.4 you can replace the changed files included in the commits: here (can be manually updated on versions back to 2.3.0) and here (can be updated on versions back to 2.5.2). Please note, replacing files in other versions of MODX Revolution could lead to unintended consequences. It is always preferred to upgrade.

If you do not know how to upgrade your site there are several support options available. You can contact the developer or builder of your site, ask for help in the MODX Forums, find a MODX Professional or get help from the MODX Services team.

We would like to thank Ivan Klimchuk (Alroniks) and agel_nash for bringing these issues to our attention and verifying their resolution.

Additional Information
For additional information, please email MODX Support.