CformsII <= 14.10.1 - CAPTCHA Bypass

Guessable CAPTCHA
CVSS 5.3 (Medium)
Publicly Published December 15, 2010
Last Updated January 22, 2024
Researcher TheLightCosine


The CformsII plugin for WordPress is vulnerable to CAPTCHA Bypass in versions up to, and including, 14.10.1. This is due to the codes not being one-time use and improper verification of user-supplied data. This makes it possible for unauthenticated attackers to bypass the Captcha Verification.



Vulnerability Details for cformsII

Software Type Plugin
Software Slug cforms2 (view on
Patched? Yes
Remediation Update to version 14.11, or a newer patched version
Affected Version
  • <= 14.10.1
Patched Version
  • 14.11

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