High severity7.2NVD Advisory· Published Oct 10, 2026
CVE-2026-100147
CVE-2026-100147
Description
The FunnelKit – Funnel Builder for WooCommerce Checkout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'shipping_first_name' parameter in all versions up to, and including, 3.16.0.5 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.
Affected products
1- Range: <=3.16.0.5
Patches
Vulnerability mechanics
References
5- plugins.trac.wordpress.org/browser/funnel-builder/tags/3.16.0.5/modules/thankyou-pages/includes/class-wffn-ecomm-tracking.phpnvd
- plugins.trac.wordpress.org/browser/funnel-builder/tags/3.16.0.5/modules/thankyou-pages/includes/class-wffn-ecomm-tracking.phpnvd
- plugins.trac.wordpress.org/changeset/3733861/nvd
- plugins.trac.wordpress.org/changeset/3733886/funnel-builder/trunk/modules/thankyou-pages/includes/class-wffn-ecomm-tracking.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/1807b544-e5fd-403b-85a6-e20bd4f10decnvd
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