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CVE-2026-14345— WPFunnels <= 3.12.7 - Unauthenticated Remote Code Execution via 'postData' Parameter

Quick assessment

Affected
getwpfunnels WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

getwpfunnels wpfunnels是getwpfunnels个人开发者开源的一套销售漏斗构建工具。 WordPress WPFunnels 3.12.7及之前版本存在任意文件上传漏洞，该漏洞源于通过'postData'参数未经清理地将攻击者控制的postData值写入PHP可包含的.log文件中，并结合在wpfnl_show_log函数中使用include_once来渲染该文件，可能导致未经验证的攻击者在服务器上执行代码。

CVSS 9.8 · Critical EPSS 1.39% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
getwpfunnels WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell ≤ 3.12.7 affected
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I. Basic Information for CVE-2026-14345

Vulnerability Information
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Vulnerability Title
WPFunnels <= 3.12.7 - Unauthenticated Remote Code Execution via 'postData' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.12.7 via the 'postData' parameter parameter. This is due to unsanitized write of attacker-controlled postData values into a PHP-includeable .log file combined with the use of include_once to render that file in wpfnl_show_log. This makes it possible for unauthenticated attackers to execute code on the server. Exploitation requires that the Log Settings "Enable Logs" toggle is on and that an administrator subsequently opens the polluted log file via the plugin's Log Settings View UI; however, the nonce required to reach the optin endpoint is publicly emitted on every funnel step page, so the injection step itself is fully unauthenticated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress WPFunnels 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
getwpfunnels wpfunnels是getwpfunnels个人开发者开源的一套销售漏斗构建工具。 WordPress WPFunnels 3.12.7及之前版本存在任意文件上传漏洞，该漏洞源于通过'postData'参数未经清理地将攻击者控制的postData值写入PHP可包含的.log文件中，并结合在wpfnl_show_log函数中使用include_once来渲染该文件，可能导致未经验证的攻击者在服务器上执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
getwpfunnels WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 0 ~ 3.12.7 -

II. Public POCs for CVE-2026-14345

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 10199 chars
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III. Intelligence Information for CVE-2026-14345

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Patches & Fixes for CVE-2026-14345 (3)

Security Blog Posts for CVE-2026-14345 (1)

Other References for CVE-2026-14345 (1)

IV. Related Vulnerabilities

Same product: WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell
Same vendor: getwpfunnels
Same weakness: CWE-434

V. Comments for CVE-2026-14345

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