CVE-2020-11890: Joomla!

Medium severity, CVSS 5.3. EPSS: 2.8% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.

Affected products

• Joomla! Joomla!: from 2.5.0, before 3.9.17 (fixed in 3.9.17)

Published 2020-04-21. Last modified 2026-06-17.