CVE-2017-18574: Ninjaforms Ninja Forms

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The ninja-forms plugin before 3.0.31 for WordPress has insufficient HTML escaping in the builder.

Affected products

• Ninjaforms Ninja Forms: before 3.0.31 (fixed in 3.0.31)

Published 2019-08-22. Last modified 2026-06-17.