| Package | Affected versions | Patched versions |
|---|---|---|
| chamilo | ≤ 1.11.20 |
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.
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