EUVD-2026-50266

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...

CVE-2026-16597

Summary: CVE-2026-16597 affects the GTM4WP WordPress plugin (versions ≤ 1.22.3) and allows unauthenticated stored XSS via WooCommerce Billing Fields when the GTM4WP_OPTION_INTEGRATE_WCORDERDATA option is enabled. The root cause is insufficient input sanitization and output escaping in the plugin’...