CVE-2026-76612: Yootheme.com Zoo Extension For Joomla

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.

Affected products

• Yootheme.com Zoo Extension For Joomla: version 1.0.0-4.1.65 only

Published 2026-08-21. Last modified 2026-08-26.