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CVE-2023-4223

Chamilo LMS File Upload Functionality Remote Code Execution

8.8 High

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.83%Up 1.6 points since Nov 28, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.8

Chamilo LMS File Upload Functionality Remote Code Execution

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.

Record
CVE-2023-4223
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2023-54096 8.8

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.

Record
EUVD-2023-54096
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-73v5-4v68-mjjx 8.8

Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows...

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.

Record
GHSA-73v5-4v68-mjjx
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
NVD 8.8

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.

Record
CVE-2023-4223
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
OSV 8.8

Chamilo LMS File Upload Functionality Remote Code Execution

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.

Record
CVE-2023-4223
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-4223 is a high vulnerability (CVSS 8.8) in Chamilo, published November 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. No source names a fixed version.

References

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