Description
Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via arbitrary file write.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chamilo | Chamilo | ≤ 1.11.20 | — |
References
- https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-124-2023-07-13-Critical-impact-High-risk-Unauthenticated-Arbitrary-File-Write-RCE-CVE-2023-3533 vendor-advisory
- https://starlabs.sg/advisories/23/23-3533/ third-party-advisory
- https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a patch