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CVE-2023-4223— Chamilo LMS File Upload Functionality Remote Code Execution

Quick assessment

Affected
Chamilo Chamilo
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.

Chamilo LMS是Chamilo协会的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS v1.11.24 版本及之前版本存在安全漏洞，该漏洞源于 “/main/inc/ajax/document.ajax.php”页面存在不受限制的文件上传。

CVSS 8.8 · High EPSS 1.83% · P77
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I. Basic Information for CVE-2023-4223

Vulnerability Information
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Vulnerability Title
Chamilo LMS File Upload Functionality Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Chamilo LMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo协会的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS v1.11.24 版本及之前版本存在安全漏洞，该漏洞源于 “/main/inc/ajax/document.ajax.php”页面存在不受限制的文件上传。
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
Chamilo Chamilo 0 ~ 1.11.24 -

II. Public POCs for CVE-2023-4223

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9777 chars
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Trigger conditions & impact
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III. Intelligence Information for CVE-2023-4223

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Patches & Fixes for CVE-2023-4223 (3)

Other References for CVE-2023-4223 (1)

Same Patch Batch · Chamilo · 2023-11-28 · 10 CVEs total

CVE-2023-3368 9.8 CRITICAL Chamilo LMS Unauthenticated Command Injection
CVE-2023-3533 9.8 CRITICAL Chamilo LMS Unauthenticated Remote Code Execution via Arbitrary File Write
CVE-2023-3545 9.8 CRITICAL Chamilo LMS Htaccess File Upload Security Bypass
CVE-2023-4224 8.8 HIGH Chamilo LMS File Upload Functionality Remote Code Execution
CVE-2023-4225 8.8 HIGH Chamilo LMS File Upload Functionality Remote Code Execution
CVE-2023-4226 8.8 HIGH Chamilo LMS File Upload Functionality Remote Code Execution
CVE-2023-4220 8.1 HIGH Chamilo LMS Unauthenticated Big Upload File Remote Code Execution
CVE-2023-4221 7.2 HIGH Chamilo LMS Learning Path PPT2LP Command Injection Vulnerability
CVE-2023-4222 7.2 HIGH Chamilo LMS Learning Path PPT2LP Command Injection Vulnerability

IV. Related Vulnerabilities

Same product: Chamilo
Same vendor: Chamilo
Same weakness: CWE-434

V. Comments for CVE-2023-4223

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