teamfunnelkit FunnelKit Payment Gateway for Stripe Plugin up to 1.15.0.2 on WordPress wp_localize_script order-pay resource injection

Summaryinfo

A vulnerability, which was classified as problematic, was found in teamfunnelkit FunnelKit Payment Gateway for Stripe Plugin up to 1.15.0.2. The impacted element is the function wp_localize_script. Such manipulation of the argument order-pay leads to resource injection. This vulnerability is referenced as CVE-2026-109991. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in teamfunnelkit FunnelKit Payment Gateway for Stripe Plugin up to 1.15.0.2. Affected by this issue is the function wp_localize_script. The manipulation of the argument order-pay with an unknown input leads to a resource injection vulnerability. Using CWE to declare the problem leads to CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended control sphere. Impacted is confidentiality. CVE summarizes:

The FunnelKit Payment Gateway for Stripe WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.15.0.2 via the 'order-pay (WP query var from /checkout/order-pay/<ID>/)' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to read the full billing PII — including name, email address, phone number, and complete street address — of any store order by enumerating sequential order IDs, as this data is emitted into the inline fkwcs_data JavaScript object via wp_localize_script on every matching page response. Exploitation occurs even when WooCommerce itself rejects the order-pay page request, because the plugin's wp_localize_script call runs independently of WooCommerce's own order-key validation on the same request.

The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-109991 since 10/13/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/07/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• teamfunnelkit

Name

• FunnelKit Payment Gateway for Stripe Plugin

Version

• 1.15.0.0
• 1.15.0.1
• 1.15.0.2

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CPE 2.2info

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