CVE-2023-4223

Chamilo LMS File Upload Functionality Remote Code Execution

HIGH
8.8
CVSS Score
Published: November 28, 2023 at 07:18 AM UTC
Updated: June 17, 2026 at 06:37 AM UTC
2 products affected across 1 vendorChamilo LMSChamilo

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Severity
HIGH8.8
Exploit prediction
EPSS 2%
SSVC
PoC

Description

Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.11.24
v ≤ 1.11.24

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHSTAR_Labs
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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