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CVE-2023-4596— Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload

Quick assessment

Affected
wpmudev Forminator Forms – Contact Form, Payment Form & Custom 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 Forminator 存在代码问题漏洞，该漏洞源于容易受到任意文件上传攻击。

CVSS 9.8 · Critical EPSS 14.32% · P97

Public Exploits 1

Nuclei · 1 CVE-2023-4596.yaml [template]

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2023-4596

Vulnerability Information
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Vulnerability Title
Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to file type validation occurring after a file has been uploaded to the server in the upload_post_image() function in versions up to, and including, 1.24.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
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 plugin Forminator 代码问题漏洞
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 Forminator 存在代码问题漏洞，该漏洞源于容易受到任意文件上传攻击。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
wpmudev Forminator – Contact Form, Payment Form & Custom Form Builder * ~ 1.24.6 -

II. Public POCs for CVE-2023-4596

# POC Description Source Link Shenlong Link
1 PoC Script for CVE-2023-4596, unauthenticated Remote Command Execution through arbitrary file uploads. https://github.com/E1A/CVE-2023-4596 POC Details
2 special thanks to E1A for the POC of the CVE Exploit found here: https://github.com/E1A/CVE-2023-4596 https://github.com/AlabamicHero/caldera_sandcat-usecase POC Details
3 CVE-2023-4596 Vulnerable Exploit and Checker Version https://github.com/X-Projetion/CVE-2023-4596-Vulnerable-Exploit-and-Checker-Version POC Details
4 None https://github.com/RHYru9/CVE-2023-4596-checker POC Details
5 CVE-2024-6387-checker is a tool or script designed to detect the security vulnerability known as CVE-2024-6387 OpenSSH. CVE-2024-6387 OpenSSH is an entry in the Common Vulnerabilities and Exposures (CVE) that documents security weaknesses discovered in certain software or systems. https://github.com/X-Projetion/CVE-2023-4596-OpenSSH-Multi-Checker POC Details
6 The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to file type validation occurring after a file has been uploaded to the server in the upload_post_image() function in versions up to, and including, 1.24.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-4596.yaml POC Details
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III. Intelligence Information for CVE-2023-4596

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Patches & Fixes for CVE-2023-4596 (1)

Vendor Advisories for CVE-2023-4596 (1)

Exploits & Public PoCs for CVE-2023-4596 (1)

IV. Related Vulnerabilities

Same product: Forminator Forms – Contact Form, Payment Form & Custom Form Builder
Same vendor: wpmudev
Same weakness: CWE-434

V. Comments for CVE-2023-4596

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