Critical severity9.8NVD Advisory· Published Nov 28, 2023· Updated Jun 17, 2026

CVE-2023-3533

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Chamilo/Chamilo
cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*
Range: <=1.11.20
Chamilo/Lmsllm-fuzzy2 versions
<=1.11.20+ 1 more
- (no CPE)range: <=1.11.20
- (no CPE)range: 0

Patches

Vulnerability mechanics

References

github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657anvdPatch
support.chamilo.org/projects/chamilo-18/wiki/security_issuesnvdIssue TrackingPatchVendor Advisory
starlabs.sg/advisories/23/23-3533/nvdExploitThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000