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CVE-2024-4157— Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.15 - PHP Object Injection via extractDynamicValues

Quick assessment

Affected
techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
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.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder 5.1.15 版本及之前版本存在安全漏洞，该漏洞源于存

CVSS 7.5 · High EPSS 0.70% · P50
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I. Basic Information for CVE-2024-4157

Vulnerability Information
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Vulnerability Title
Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.15 - PHP Object Injection via extractDynamicValues
Source: CVE Program / CVE List V5
Vulnerability Description
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 5.1.15 via deserialization of untrusted input in the extractDynamicValues function. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code. Successful exploitation requires the attacker to have "View Form" and "Manage Form" permissions, which must be explicitly set by an administrator. However, this requirement can be bypassed when this vulnerability is chained with CVE-2024-2771.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder 5.1.15 版本及之前版本存在安全漏洞，该漏洞源于存
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
techjewel Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder * ~ 5.1.15 -

II. Public POCs for CVE-2024-4157

# POC Description Source Link Shenlong Link
1 Chaining Havoc C2 SSRF with RCE to get reverse shell on Havoc C2 Server. https://github.com/Ch4os1/CVE-2024-4157-SSRF-RCE-Reverse-Shell POC Details
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III. Intelligence Information for CVE-2024-4157

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Patches & Fixes for CVE-2024-4157 (1)

Vendor Advisories for CVE-2024-4157 (1)

IV. Related Vulnerabilities

Same product: Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
Same vendor: techjewel
Same weakness: CWE-502

V. Comments for CVE-2024-4157

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