CVE-2026-47100
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductFunnel Builder for WooCommerce Checkout
PublishedMay 19, 2026
First seenMay 19, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- FunnelKit Funnel Builder for WooCommerce Checkout3.15.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| FunnelKit Funnel Builder for WooCommerce Checkout | v < 3.15.0.3 | 3.15.0.3 |
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