CVE-2021-47943— TextPattern CMS 4.8.7 Remote Code Execution via File Upload
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I. Basic Information for CVE-2021-47943
Vulnerability Information
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Vulnerability Title
TextPattern CMS 4.8.7 Remote Code Execution via File Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
TextPattern CMS 4.8.7 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by uploading malicious PHP files through the file upload functionality. Attackers can upload a PHP shell via the Files section in the content area and execute commands by accessing the uploaded file at /textpattern/files/ with GET parameters passed to the system function.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Textpattern CMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Textpattern CMS是Textpattern团队的一个基于Php的内容管理系统。 TextPattern CMS 4.8.7版本存在代码问题漏洞，该漏洞源于文件上传功能存在远程代码执行，可能导致经过身份验证的攻击者通过上传恶意PHP文件执行任意命令。
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 |
|---|---|---|---|---|
| Textpattern | TextPattern CMS | 4.8.7 | - |
II. Public POCs for CVE-2021-47943
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-434
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CubeCart: Authenticated Arbitrary File Upload to RCE in REST - CVE-2026-42844
Grav: Low-privileged API users can create super-admin accoun
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