First published: Tue Nov 28 2023(Updated: )
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.
Credit: info@starlabs.sg
Affected Software | Affected Version | How to fix |
---|---|---|
Chamilo Chamilo | <=1.11.20 |
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CVE-2023-3533 is a vulnerability in Chamilo LMS that allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via arbitrary file write.
CVE-2023-3533 has a severity rating of critical with a score of 9.8.
Chamilo LMS versions up to and including v1.11.20 are affected by CVE-2023-3533.
An unauthenticated attacker can exploit CVE-2023-3533 by performing stored cross-site scripting attacks and obtaining remote code execution through arbitrary file write.
You can find more information about CVE-2023-3533 at the following references: [Reference 1](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), [Reference 2](https://starlabs.sg/advisories/23/23-3533/), [Reference 3](https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a).