CVE-2026-77992: Fabrikar.com Fabrik Extension For Joomla

Critical severity, CVSS 9.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2 - The onUpdateComment endpoint did not perform any access checks.

Affected products

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

Published 2026-08-22. Last modified 2026-08-26.