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CVE-2021-42358

HIGH 8.8 CVSS 3.1
Published
November 29, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • contact-form-with-captcha Plugin · contact-form-with-captcha
    Confirmed match Homeless
    From 1.6.2 (including) to 1.6.2 (including)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Contact Form With Captcha Contact Form With Captcha — From 1.6.2 (including) to 1.6.2 (including)
  • contact_form_with_captcha_project contact_form_with_captcha — Up to and including 1.6.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17 Third Party Advisory
  • wordfence.com https://wordfence.com/vulnerability-advisories/#CVE-2021-42358 Third Party Advisory
  • nvd.nist.gov Official NVD record