CVE-2023-4220

Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

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Published Nov 28, 2023 CVSS 3.1 · 8.1 High EPSS 76.1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Chamilo

Chamilo

unaffected

Version	Status	Constraints
`0`	affected	≤ 1.11.24

Configuration 1 [-]

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 76.1% (76.084% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49
https://starlabs.sg/advisories/23/23-4220
https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220

History

No history.

Subscriptions

Chamilo Chamilo Lms

Weaknesses

Sources

CVE record Updated: Aug 2, 2024, 7:17 AM

Status: PUBLISHED
Assigner: STAR_Labs
Published: Nov 28, 2023, 7:11 AM
Updated: Aug 2, 2024, 7:17 AM
Reserved: Aug 8, 2023, 6:52 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 6:37 AM

Status: Modified
Published: Nov 28, 2023, 8:15 AM
Modified: Jun 17, 2026, 6:37 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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