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

8.8 CVSS

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.

Classification

CVE ID: CVE-2023-4223

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

Affected Products

Vendor: Chamilo

Product: Chamilo

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.45% (probability of being exploited)

EPSS Percentile: 75.14% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-129-2023-09-04-Critical-impact-Moderate-risk-Authenticated-users-may-gain-unauthenticated-RCE-CVE-2023-4223CVE-2023-4224CVE-2023-4225CVE-2023-4226
https://starlabs.sg/advisories/23/23-4223
https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4
https://github.com/chamilo/chamilo-lms/commit/3d74fb7d99bd2e287730552f7a66562417a55047
https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f

Timeline