CVE-2021-34620

HIGH 8.8CVE-2021-34620 · Published 07/07/2021 · updated 17/06/2026

In short

CVE-2021-34620 is a HIGH (CVSS 8.8) vulnerability affecting contact form (fluentforms).
Chance of exploitation in the next 30 days (EPSS): 2.6%, higher than 85.6% of all vulnerabilities.
Fix: update to 3.6.67 or later.

Package	Affected versions	Patched versions
contact form fluentforms	`< 3.6.67`	`3.6.67`

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

References

plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Acl/Acl.php · Exploit
wordfence.com/blog/2021/06/cross-site-request-forgery-patched-in-wp-fluent-forms · Exploit

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Package

Affected versions

Patched versions

contact form

fluentforms

< 3.6.67

3.6.67

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