What is CVE-2023-4223?

CVE-2023-4223 is a high-severity vulnerability in Chamilo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-11-28.

How severe is CVE-2023-4223?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Chamilo

CVE-2023-4223

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.018 (76.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Chamilo — versions 0
Chamilo Chamilo_lms

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

info@starlabs.sg (vendor-advisory, Issue Tracking, Vendor Advisory)
info@starlabs.sg (Exploit, Third Party Advisory, third-party-advisory)
info@starlabs.sg (Patch, patch)
info@starlabs.sg (Patch, patch)
info@starlabs.sg (Patch, patch)

Frequently asked questions

What is CVE-2023-4223?: CVE-2023-4223 is a high-severity vulnerability in Chamilo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-11-28.
How severe is CVE-2023-4223?: High severity. CVSS v3 base score is 8.8 out of 10.