CVE-2021-4356— Frontend File Manager <= 18.2 - Unauthenticated Arbitrary File Download
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I. Basic Information for CVE-2021-4356
Vulnerability Information
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Vulnerability Title
Frontend File Manager <= 18.2 - Unauthenticated Arbitrary File Download
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Download in versions up to, and including, 18.2. This is due to lacking authentication protections, capability checks, and sanitization, all on the wpfm_file_meta_update AJAX action. This makes it possible for unauthenticated attackers to download arbitrary files on the site, potentially leading to site takeover.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress Plugin Frontend File Manager 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 Frontend File Manager 存在安全漏洞，该漏洞源于 wpfm_file_meta_update AJAX 接口缺少身份验证保护、功能检查和清理。
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 |
|---|---|---|---|---|
| nmedia | Frontend File Manager Plugin | * ~ 18.3 | - |
II. Public POCs for CVE-2021-4356
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · nmedia · 2023-06-07 · 8 CVEs total
| CVE-2021-4368 | 9.9 CRITICAL | Frontend File Manager <= 18.2 - Authenticated Settings Change leading to Arbitrary File Up |
| CVE-2021-4365 | 7.2 HIGH | Frontend File Manager <= 18.2 - Unauthenticated Stored Cross-Site Scripting |
| CVE-2021-4350 | 7.2 HIGH | Frontend File Manager <= 18.2 - Unauthenticated HTML Injection leading to Spam Emails |
| CVE-2021-4359 | 6.5 MEDIUM | Frontend File Manager Plugin <= 18.2 - Unauthenticated Arbitrary Post Deletion |
| CVE-2021-4344 | 6.4 MEDIUM | Frontend File Manager <= 18.2 - Privilege Escalation |
| CVE-2021-4369 | 5.8 MEDIUM | Frontend File Manager <= 18.2 - Unauthenticated Content Injection |
| CVE-2021-4351 | 5.8 MEDIUM | Frontend File Manager <= 18.2 - Unauthenticated Post Meta Change |
IV. Related Vulnerabilities
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