CVE-2021-47976— TextPattern CMS 4.9.0-dev Authenticated Remote Code Execution via Plugin Upload
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1505 · Server Software ComponentAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Textpattern | TextPattern CMS | 4.9.0-dev | affected |
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I. Basic Information for CVE-2021-47976
Vulnerability Information
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Vulnerability Title
TextPattern CMS 4.9.0-dev Authenticated Remote Code Execution via Plugin Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
TextPattern CMS 4.9.0-dev contains a remote code execution vulnerability that allows authenticated attackers to upload arbitrary PHP files by exploiting the plugin upload functionality. Attackers can authenticate, retrieve a CSRF token from the plugin event page, and upload malicious PHP files to the textpattern/tmp/ directory for code execution.
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
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Textpattern | TextPattern CMS | 4.9.0-dev | - |
II. Public POCs for CVE-2021-47976
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7069 chars
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III. Intelligence Information for CVE-2021-47976
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IV. Related Vulnerabilities
Same weakness: CWE-352
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Zechat 1.5 Cross-Site Request Forgery (CSRF) via hashtag par - CVE-2018-25337
Joomla JoomOCShop 1.0 Cross-Site Request Forgery - CVE-2018-25336
Joomla jCart for OpenCart 2.3.0.2 Cross-Site Request Forgery - CVE-2018-25327
Joomla! Component Js Jobs 1.2.0 Cross-Site Request Forgery - CVE-2018-25321
TP-Link TL-WR720N All Versions CSRF via Administrative Inter
V. Comments for CVE-2021-47976
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