CVE-2026-47100highobserved exploitationCWE-862

CVE-2026-47100: high-severity vulnerability in FunnelKit Funnel Builder for WooCommerce…

Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX

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63Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.

ssvc Actcvss 8.7epss 0.5%
from disclosure to weapon9 days
Published on NVDMay 19
1st PoC+9d
VulnCheckMay 14
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
FunnelKit · Funnel Builder for WooCommerce Checkout
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