CVE-2020-15700: Joomla!

Medium severity, CVSS 6.3. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in Joomla! through 3.9.19. A missing token check in the ajax_install endpoint of com_installer causes a CSRF vulnerability.

Affected products

• Joomla! Joomla!: from 3.7.0, up to and including 3.9.19

Published 2020-07-15. Last modified 2026-06-17.