CVE-2021-23131: Joomla!

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Missing input validation within the template manager.

Affected products

• Joomla! Joomla!: from 3.2.0, before 3.9.25 (fixed in 3.9.25)

Published 2021-03-04. Last modified 2026-06-17.