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CVE-2024-12427— Multi Step Form <= 1.7.23 - Missing Authorization to Unauthenticated Limited File Upload

Quick assessment

Affected
mondula2016 Multi Step Form
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 Multi Step Form 1.7.23版本及之前版本存在安全漏洞，该漏洞源于缺少对fw_upload_file操作的功能检查，导致未经授权的有限文件上传。

CVSS 5.3 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2024-12427

Vulnerability Information
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Vulnerability Title
Multi Step Form <= 1.7.23 - Missing Authorization to Unauthenticated Limited File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Multi Step Form plugin for WordPress is vulnerable to unauthorized limited file upload due to a missing capability check on the fw_upload_file AJAX action in all versions up to, and including, 1.7.23. This makes it possible for unauthenticated attackers to upload limited file types such as images.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Multi Step Form 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 Multi Step Form 1.7.23版本及之前版本存在安全漏洞，该漏洞源于缺少对fw_upload_file操作的功能检查，导致未经授权的有限文件上传。
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
mondula2016 Multi Step Form * ~ 1.7.23 -

II. Public POCs for CVE-2024-12427

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III. Intelligence Information for CVE-2024-12427

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Patches & Fixes for CVE-2024-12427 (3)

Vendor Advisories for CVE-2024-12427 (1)

IV. Related Vulnerabilities

Same product: Multi Step Form
Same vendor: mondula2016
Same weakness: CWE-862

V. Comments for CVE-2024-12427

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