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CVE-2026-16597

HIGH 7.2 CVSS 3.1
Published
July 29, 2026
Last modified
July 30, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The GTM4WP – A Google Tag Manager (GTM) plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via WooCommerce Billing Fields in all versions up to, and including, 1.22.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the GTM4WP WooCommerce order data integration option (GTM4WP_OPTION_INTEGRATE_WCORDERDATA) to be enabled, and is exploited by placing a guest checkout order with a JavaScript payload in a WooCommerce billing field such as the billing first name.

Affected WordPress components

  • GTM4WP – A Google Tag Manager (GTM) plugin for WordPress Plugin · duracelltomi-google-tag-manager
    Confirmed match Active
    Up to and including 1.22.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • duracelltomi GTM4WP – A Google Tag Manager (GTM) plugin for WordPress — Up to and including 1.22.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duracelltomi-google-tag-manager/tags/1.22.3/integration/woocommerce.php#L265
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duracelltomi-google-tag-manager/tags/1.22.3/integration/woocommerce.php#L664
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duracelltomi-google-tag-manager/tags/1.22.3/integration/woocommerce.php#L942
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duracelltomi-google-tag-manager/tags/1.22.3/public/frontend.php#L1148
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3618063/duracelltomi-google-tag-manager/trunk/public/frontend.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Fduracelltomi-google-tag-manager/tags/1.22.3&new_path=%2Fduracelltomi-google-tag-manager/tags/1.22.4
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/03542812-b6e5-421d-9ba6-43f1c779940f?source=cve
  • nvd.nist.gov Official NVD record