CVE-2025-46661: Ipwsystems Metazo

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IPW Systems Metazo through 8.1.3 allows unauthenticated Remote Code Execution because smartyValidator.php enables the attacker to provide template expressions, aka Server-Side Template-Injection. All instances have been patched by the Supplier.

Affected products

• Ipwsystems Metazo: up to and including 8.1.13

Published 2025-04-28. Last modified 2026-06-17.