High severity8.1NVD Advisory· Published Nov 28, 2023· Updated Jun 17, 2026

CVE-2023-4220

Description

Unrestricted file upload in big file upload functionality in /main/inc/lib/javascript/bigupload/inc/bigUpload.php in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

AI Insight

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

Affected products

Chamilo/Lms3 versions
cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*range: <=1.11.24
- (no CPE)range: <=v1.11.24
- (no CPE)range: 0

Patches

Vulnerability mechanics

References

github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49nvdPatch
starlabs.sg/advisories/23/23-4220nvdExploitThird Party Advisory
support.chamilo.org/projects/chamilo-18/wiki/security_issuesnvdIssue TrackingVendor Advisory

News mentions

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cvss	0.526
epss	0.061
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000