• Project: Joomla!
• SubProject: CMS
• Impact: High
• Severity: Low
• Versions: 2.5.0 through 3.8.7
• Exploit type: ACL violation
• Reported Date: 2018-March-08
• Fixed Date: 2018-May-22
• CVE Number: CVE-2018-11323

Description

Inadequate checks allowed users to modify the access levels of user groups with higher permissions.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.