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CVE-2021-47965— WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload

Quick assessment

Affected
wp-super-edit WP Super Edit
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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin WP Super Edit 2.5.4及之前版本存在代码问题漏洞，该漏洞源于FCKeditor组件存在无限制文件上传问题，可能导致攻击者上传危险文件类型而不经过验证。

CVSS 9.8 · Critical EPSS 0.60% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
wp-super-edit WP Super Edit ≤ 2.5.4 affected
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I. Basic Information for CVE-2021-47965

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
WordPress Plugin WP Super Edit 2.5.4 and earlier contains an unrestricted file upload vulnerability in the FCKeditor component that allows attackers to upload dangerous file types without validation. Attackers can upload arbitrary files through the filemanager upload endpoint to achieve remote code execution and complete system compromise.
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 WP Super Edit 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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin WP Super Edit 2.5.4及之前版本存在代码问题漏洞，该漏洞源于FCKeditor组件存在无限制文件上传问题，可能导致攻击者上传危险文件类型而不经过验证。
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
wp-super-edit WP Super Edit 0 ~ 2.5.4 -

II. Public POCs for CVE-2021-47965

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 13072 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2021-47965

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Vendor Advisories for CVE-2021-47965 (1)

Exploits & Public PoCs for CVE-2021-47965 (1)

Vendor Pages for CVE-2021-47965 (1)

IV. Related Vulnerabilities

Same product: WP Super Edit
Same weakness: CWE-434

V. Comments for CVE-2021-47965

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