CVE-2021-42358: Contact Form With Captcha Project Contact Form With Captcha

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Contact Form With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.6.2.

Affected products

• Contact Form With Captcha Project Contact Form With Captcha: up to and including 1.6.2

Published 2021-11-29. Last modified 2026-06-17.