CVE-2026-22453: Themerex Pets Club

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in ThemeREX Pets Club petclub allows Object Injection.This issue affects Pets Club: from n/a through <= 2.3.

Affected products

• Themerex Pets Club: up to and including 2.3

Published 2026-03-05. Last modified 2026-06-17.