CVE-2026-47100

Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Attackers can inject malicious JavaScript through the External Scripts setting that executes in the browsers of all checkout page visitors.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://plugins.trac.wordpress.org/changeset/3530797/funnel-builder/tags/3.15.0.3/modules/checkouts/includes/class-wfacp-ajax-controller.php
https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited
https://www.vulncheck.com/advisories/funnel-builder-for-woocommerce-checkout-missing-authorization-via-ajax
https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited

Configurations

No configuration.

History

19 May 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited -~~	() https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited -

19 May 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-19 15:16

Updated : 2026-06-17 10:54

NVD link : CVE-2026-47100

Mitre link : CVE-2026-47100

CVE.ORG link : CVE-2026-47100

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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