CVE-2023-1405: STRATEGY11 Formidable Forms

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

The Formidable Forms WordPress plugin before 6.2 unserializes user input, which could allow anonymous users to perform PHP Object Injection when a suitable gadget is present.

Affected products

  • STRATEGY11 Formidable Forms: before 6.2 (fixed in 6.2)

Published 2024-01-16. Last modified 2026-06-17.