CVE-2026-0626: Getwpfunnels Wpfunnels – Funnel Builder For Woocommerce With Checkout & One Click Upsell

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The WPFunnels – Easy Funnel Builder To Optimize Buyer Journeys And Get More Leads & Sales plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpf_optin_form' shortcode in all versions up to, and including, 3.7.9 due to insufficient input sanitization and output escaping of the 'button_icon' parameter. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Getwpfunnels Wpfunnels – Funnel Builder For Woocommerce With Checkout & One Click Upsell: up to and including 3.7.9

Published 2026-04-04. Last modified 2026-07-24.