Improper Restriction of Excessive Authentication Attempts vulnerability in WebFactory Ltd Captcha Code allows Functionality Bypass.This issue affects Captcha Code: from n/a through 2.9.
The Advanced Google reCaptcha plugin for WordPress is vulnerable to CAPTCHA Bypass in versions up to, and including, 1.27 . This makes it possible for unauthenticated attackers to bypass the Built-in Math Captcha Verification.