CVE-2026-100147 FunnelKit – Funnel Builder for WooCommerce Checkout - Stored XSS

FunnelKit – Funnel Builder for WooCommerce Checkout <= 3.16.0.5 contains a stored XSS caused by insufficient sanitization and escaping of 'shipping_first_name' parameter, letting unauthenticated attackers execute scripts on user pages.

CVSS base score 7.2 /10
High
CISA KEV
Exploited in the wild
Public exploit
None known
Authentication
Not required
EPSS
0.30% chance of exploitation in 30 days
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