CVE-2026-65762: Phoca.cz Phoca Guestbook Extension For Joomla

Medium severity, CVSS 5.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Guestbook 5.0.0-6.1.0 - Improper validation of user inputs lead to a reflective XSS vulnerability.

Affected products

• Phoca.cz Phoca Guestbook Extension For Joomla: version 5.0.0-6.1.0 only

Published 2026-07-23. Last modified 2026-07-24.