CVE-2018-11323: Joomla!

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify the access levels of user groups with higher permissions.

Affected products

• Joomla! Joomla!: before 3.8.8 (fixed in 3.8.8)

Published 2018-05-22. Last modified 2026-06-17.