• Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 2.5.0-3.9.19
  • Exploit type: Incorrect Access Control
  • Reported Date: 2020-April-04
  • Fixed Date: 2020-July-14
  • CVE Number: CVE-2020-15699


Missing validation checks at the usergroups table object can result into an broken site configuration.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.19


Upgrade to version 3.9.20


The JSST at the Joomla! Security Centre.

Reported By: Hoang Kien from VSEC