CVE-2021-42358 - CVE House
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Status published High CVE-2021-42358

Contact Form With Captcha <= 1.6.2 Cross-Site Request Forgery to Reflected Cross-Site Scripting

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yuga Futatsuki, Cryptography Laboratory in Tokyo Denki University

Affected Vendor

Contact Form With Captcha

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Affected Software

Contact Form With Captcha
Vulnerable Versions:
1.6.2

Timeline

Official Publish: November 29th, 2021
Last Modified: February 13th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)