CVE-2026-66915: Fabrikar.com Fabrik Extension For Joomla

Critical severity, CVSS 10.0. EPSS: 0.8% chance of exploitation in the next 30 days.

Joomla Extension - fabrikar.com - Remote code execution in Fabrik < 4.7.2 - An unauthenticated attacker could execute arbitrary code by using the ajax_calc feature of the calc plugin.

Affected products

• Fabrikar.com Fabrik Extension For Joomla: version 1.0.0-4.7.1 only

Published 2026-08-10. Last modified 2026-08-26.