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CVE-2026-109991— FunnelKit Payment Gateway for Stripe WooCommerce <= 1.15.0.2 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Exposure via 'order-pay' URL Path Parameter

Quick assessment

Affected
teamfunnelkit FunnelKit Payment Gateway for Stripe WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 平台上的 FunnelKit Payment Gateway for Stripe WooCommerce 插件在所有 1.1.15.0.2 及以下版本中存在不安全的直接对象引用（IDOR）漏洞。该漏洞源于对由用户控制的 参数（即来自 路径的 WP 查询变量）缺乏必要的验证。由于该插件在每次匹配页面的响应中，都会通过 将相关数据注入到内联的 JavaScript 对象中，因此未认证的攻击者可以通过枚举连续订单 ID，读取任意商店订单的完整账单个人身份信息（PII），包括姓名、电子邮件地址、电话号

CVSS 7.5 · High
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I. Basic Information for CVE-2026-109991

Vulnerability Information
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Vulnerability Title
FunnelKit Payment Gateway for Stripe WooCommerce <= 1.15.0.2 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Exposure via 'order-pay' URL Path Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
teamfunnelkit FunnelKit Payment Gateway for Stripe WooCommerce 0 ~ 1.15.0.2 -

II. Public POCs for CVE-2026-109991

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III. Intelligence Information for CVE-2026-109991

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Other References for CVE-2026-109991 (5)

IV. Related Vulnerabilities

Same product: FunnelKit Payment Gateway for Stripe WooCommerce
Same vendor: teamfunnelkit
Same weakness: CWE-639