CVE-2021-42358

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

Vendor	Product	Versions
Contact Form With Captcha	Contact Form With Captcha	>= 1.6.2, <= 1.6.2

References

https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17Third Party Advisory
https://wordfence.com/vulnerability-advisories/#CVE-2021-42358Third Party Advisory
https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17Third Party Advisory
https://wordfence.com/vulnerability-advisories/#CVE-2021-42358Third Party Advisory

Timeline

Published: Nov 29, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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