CVE-2026-100147: Teamfunnelkit Funnelkit – Funnel Builder For Woocommerce Checkout

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

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

• Teamfunnelkit Funnelkit – Funnel Builder For Woocommerce Checkout: up to and including 3.16.0.5

Published 2026-10-10. Last modified 2026-10-10.