CVE-2025-31423: Ancorathemes Umberto

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in AncoraThemes Umberto umberto allows Object Injection.This issue affects Umberto: from n/a through <= 1.2.8.

Affected products

• Ancorathemes Umberto: up to and including 1.2.8

Published 2025-05-23. Last modified 2026-06-17.