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CVE-2026-100147— FunnelKit <= 3.16.0.5 - Unauthenticated Stored Cross-Site Scripting via Order Fields (shipping/billing)

Quick assessment

Affected
teamfunnelkit FunnelKit – Funnel Builder for WooCommerce Checkout
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 的 FunnelKit – Funnel Builder for WooCommerce Checkout 插件在所有低于或等于 3.16.0.5 的版本中存在存储型跨站脚本漏洞（Stored Cross-Site Scripting, XSS）。该漏洞是由于对 参数缺乏足够的输入清理和输出转义所致。这使得未经身份验证的攻击者可以在网页中注入任意脚本，当用户访问包含恶意脚本的页面时，这些脚本将会被执行。

CVSS 7.2 · High EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
teamfunnelkit FunnelKit – Funnel Builder for WooCommerce Checkout ≤ 3.16.0.5 affected
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I. Basic Information for CVE-2026-100147

Vulnerability Information
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Vulnerability Title
FunnelKit <= 3.16.0.5 - Unauthenticated Stored Cross-Site Scripting via Order Fields (shipping/billing)
Source: CVE Program / CVE List V5
Vulnerability Description
The FunnelKit – Funnel Builder for WooCommerce Checkout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'shipping_first_name' parameter in all versions up to, and including, 3.16.0.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
teamfunnelkit FunnelKit – Funnel Builder for WooCommerce Checkout 0 ~ 3.16.0.5 -

II. Public POCs for CVE-2026-100147

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III. Intelligence Information for CVE-2026-100147

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Patches & Fixes for CVE-2026-100147 (1)

Vendor Advisories for CVE-2026-100147 (1)

IV. Related Vulnerabilities

Same product: FunnelKit – Funnel Builder for WooCommerce Checkout
Same weakness: CWE-79

V. Comments for CVE-2026-100147

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