Application: WordPress
Affected Version: versions prior to 2.8.5.
Vendor’s URL: WordPress
Bug Type: Denial of Service
Risk Level: Medium

Solution:
Update to version 2.8.5.
http://wordpress.org/download/

Content Management, Denial Of Service

Application: Drupal
Affected Version: prior to 4.7.11 and 5.6.
Vendor’s URL: http://www.drupal.org/
Bug Type: Cross Site Scripting
Risk Level: Critical

Solution:
Update to 4.7.11 or 5.6.

Content Management, Denial Of Service

Application: Mambo
Affected Version: all 4.5.x and 4.6.x versions.
Vendor’s URL: http://www.mambo-foundation.org/
Bug Type: Denial of Service
Risk Level: Medium

Solution:
Apply patch below:
Patch 4.6.x
Patch 4.5.x

Content Management, Denial Of Service