cve/2023/CVE-2023-3533.md

### [CVE-2023-3533](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3533)
![](https://img.shields.io/static/v1?label=Product&message=Chamilo&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%3C%3D%201.11.20%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-22%20Improper%20Limitation%20of%20a%20Pathname%20to%20a%20Restricted%20Directory%20('Path%20Traversal')&color=brighgreen)

### 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.

### POC

#### Reference
- https://starlabs.sg/advisories/23/23-3533/

#### Github
No PoCs found on GitHub currently.