PT-2021-23589 · WordPress · Contact Form With Captcha

Published 2021-11-29 · Updated 2021-12-01 · CVE-2021-42358

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Contact Form With Captcha WordPress plugin versions up to, and including 1.6.2

Description The issue is related to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission. This allowed attackers to inject arbitrary web scripts.

Recommendations For versions up to, and including 1.6.2, update to a version that includes nonce validation to prevent Cross-Site Request Forgery attacks. As a temporary workaround, consider restricting access to the ~/cfwc-form.php file to minimize the risk of exploitation.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-42358

Affected Products

Contact Form With Captcha

References · 5

• https://osv.dev/vulnerability/CVE-2021-42358 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42358 · Security Note
• https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17 · Note
• https://wordfence.com/vulnerability-advisories/#CVE-2021-42358 · Note
• https://t.me/cibsecurity/33055 · Telegram Post