CVE-2021-24164: Ninjaforms Ninja Forms

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

In the Ninja Forms Contact Form WordPress plugin before 3.4.34.1, low-level users, such as subscribers, were able to trigger the action, wp_ajax_nf_oauth, and retrieve the connection url needed to establish a connection. They could also retrieve the client_id for an already established OAuth connection.

Affected products

• Ninjaforms Ninja Forms: before 3.4.34.1 (fixed in 3.4.34.1)

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