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’...