CVE-2026-47100

Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX

Published May 19, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Funnelkit funnel Builder
CPEs cpe:2.3:a:funnelkit:funnel_builder:*:*:*:*:*:wordpress:*:*
Vendors & Products Funnelkit funnel Builder
Type Values Removed Values Added
First Time appeared Funnelkit
Funnelkit funnel Builder For Woocommerce Checkout
Wordpress
Wordpress wordpress
Vendors & Products Funnelkit
Funnelkit funnel Builder For Woocommerce Checkout
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:48 AM
Reserved
May 18, 2026, 7:22 PM
Status
Deferred
Published
May 19, 2026, 3:16 PM
Modified
Jul 24, 2026, 12:10 PM