Google Tag Manager for WordPress <= 1.15 - Cross-Site Scripting via Cloudflare Country Code

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS 7.2 (High)
Publicly Published May 12, 2022
Last Updated December 5, 2022
Researcher Guillaume Fortier

Description

The Google Tag Manager for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the $_SERVER['HTTP_CF_IPCOUNTRY'] value in versions up to, and including, 1.15 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Vulnerability Details for GTM4WP – A Google Tag Manager (GTM) plugin for WordPress

Software Type Plugin
Software Slug duracelltomi-google-tag-manager (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.15.1, or a newer patched version
Affected Version
  • <= 1.15
Patched Version
  • 1.15.1

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