Conditional Fields for Contact Form 7 <= 2.7.2 - Unauthenticated Denial of Service

5.3
Improper Validation of Specified Quantity in Input
CVE CVE-2026-25863
CVSS 5.3 (Medium)
Publicly Published May 4, 2026
Last Updated July 30, 2026
Researcher Rahul Karne

Description

The Conditional Fields for Contact Form 7 plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 2.7.2. This makes it possible for unauthenticated attackers to starve the server of resources.

References

Share

Vulnerability Details for Conditional Fields for Contact Form 7

Software Type Plugin
Software Slug cf7-conditional-fields (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.7.3, or a newer patched version
Affected Version
  • <= 2.7.2
Patched Version
  • 2.7.3

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation