Vulnerability Details : CVE-2023-3533
Potential exploit
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 category: Cross site scripting (XSS)Directory traversalExecute code
Products affected by CVE-2023-3533
- cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-3533
1.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-3533
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
STAR Labs SG Pte. Ltd. | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-3533
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by:
- info@starlabs.sg (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-3533
-
https://starlabs.sg/advisories/23/23-3533/
(CVE-2023-3533) Chamilo LMS Unauthenticated Remote Code Execution via Arbitrary File Write | STAR LabsExploit;Third Party Advisory
-
https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a
Security: Avoid relative path traversal to execute ppt2png and escape… · chamilo/chamilo-lms@37be9ce · GitHubPatch
-
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
Security issues - Chamilo LMS - Chamilo Tracking SystemIssue Tracking;Patch;Vendor Advisory
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