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CVE-2026-109991

HIGH 7.5 CVSS 3.1
Published
November 7, 2026
Last modified
November 7, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Affected WordPress components

  • FunnelKit Payment Gateway for Stripe WooCommerce Plugin · funnelkit-stripe-woo-payment-gateway
    Confirmed match Active
    Up to and including 1.15.0.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • teamfunnelkit FunnelKit Payment Gateway for Stripe WooCommerce — Up to and including 1.15.0.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/funnelkit-stripe-woo-payment-gateway/tags/1.15.0.1/includes/abstract-payment-gateway.php#L295
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/funnelkit-stripe-woo-payment-gateway/tags/1.15.0.1/includes/abstract-payment-gateway.php#L317
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/funnelkit-stripe-woo-payment-gateway/tags/1.15.0.1/includes/abstract-payment-gateway.php#L364
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3741799%40funnelkit-stripe-woo-payment-gateway&new=3741799%40funnelkit-stripe-woo-payment-gateway
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/b8d77b41-f535-4e60-a850-881be8dee458?source=cve
  • nvd.nist.gov Official NVD record