CVE-2021-24166: Ninjaforms Ninja Forms

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The wp_ajax_nf_oauth_disconnect from the Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress WordPress plugin before 3.4.34 had no nonce protection making it possible for attackers to craft a request to disconnect a site's OAuth connection.

Affected products

• Ninjaforms Ninja Forms: before 3.4.34 (fixed in 3.4.34)

Published 2021-04-05. Last modified 2026-06-17.