Captcha 4.3.6 - 4.4.4 - Plugin Backdoor

9.6
Hidden Functionality
CVSS 9.6 (Critical)
Publicly Published December 19, 2017
Last Updated January 22, 2024
Researcher Matt Barry - Wordfence

Description

The Captcha plugin for WordPress contained a backdoor that injected SEO spam into unsuspecting users WordPress sites in version 4.3.6 to 4.4.4.

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Vulnerability Details for Captcha

Software Type Plugin
Software Slug captcha (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.4.5, or a newer patched version
Affected Version
  • 4.3.6 - 4.4.4
Patched Version
  • 4.4.5

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