Path Traversal in Chamilo
CVE-2023-3533
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Chamilo — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- info@starlabs.sg (vendor-advisory, Patch, Issue Tracking, Vendor Advisory)
- info@starlabs.sg (Exploit, Third Party Advisory, third-party-advisory)
- info@starlabs.sg (Patch, patch)
Frequently asked questions
- What is CVE-2023-3533?
- CVE-2023-3533 is a critical-severity vulnerability in Chamilo, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-11-28.
- How severe is CVE-2023-3533?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-3533 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.