CVE-2021-25056: Ninjaforms Ninja Forms

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Ninja Forms Contact Form WordPress plugin before 3.6.10 does not sanitise and escape field labels, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

• Ninjaforms Ninja Forms: before 3.6.10 (fixed in 3.6.10)

Published 2022-07-04. Last modified 2026-06-17.