Stored Cross-Site Scripting in FunnelKit Plugin for WooCommerce Checkout
CVE-2026-100147

7.2HIGH

Key Information:

Vendor

WordPress
Status
Funnelkit – Funnel Builder For WooCommerce Checkout
Vendor
CVE Published:
10 October 2026

What is CVE-2026-100147?

The FunnelKit – Funnel Builder for WooCommerce Checkout plugin for WordPress contains a vulnerability that allows for Stored Cross-Site Scripting (XSS) through the 'shipping_first_name' parameter. This issue arises due to inadequate input sanitization and output escaping in versions up to and including 3.16.0.5. Attackers, potentially unauthenticated, can exploit this vulnerability to inject arbitrary web scripts into affected pages. These scripts are executed whenever a user accesses the compromised page, which could lead to unauthorized actions or data exposure.

Affected Version(s)

FunnelKit – Funnel Builder for WooCommerce Checkout 0 <= 3.16.0.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/funnel-builder...
https://plugins.trac.wordpress.org/browser/funnel-builder...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

crow
.