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CVE-2021-34620

HIGH 8.8 CVSS 3.1
Published
July 7, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79, CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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 WordPress components

  • Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder Plugin · fluentform
    Confirmed match Active
    Before 3.6.67; From 3.6.67 (including) to 3.6.67 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • WP Manage Ninja WP Fluent Forms — From 3.6.67 (including) to 3.6.67 (excluding)
  • fluentforms contact_form — Before 3.6.67

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Acl/Acl.php?rev=2196688 Exploit, Vendor Advisory
  • www.wordfence.com https://www.wordfence.com/blog/2021/06/cross-site-request-forgery-patched-in-wp-fluent-forms/ Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record