CVE-2021-34620: Fluentforms Contact Form

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

The WP Fluent Forms plugin < 3.6.67 for WordPress is vulnerable to Cross-Site Request Forgery leading to stored Cross-Site Scripting and limited Privilege Escalation due to a missing nonce check in the access control function for administrative AJAX actions

Affected products

• Fluentforms Contact Form: before 3.6.67 (fixed in 3.6.67)

Published 2021-07-07. Last modified 2026-06-17.