CVE-2023-4223 Chamilo LMS File Upload Functionality Remote Code Execution

Q: Is CVE-2023-4223 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4223 exists.

Q: How do I fix CVE-2023-4223?

No fix has been published for CVE-2023-4223 yet. Limit exposure of the affected software until one is available.

High 8.8 Published 28 Nov 2023 Updated 2 Dec 2024

Authenticated learners can achieve remote code execution by uploading PHP files due to unrestricted file upload in Chamilo LMS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-4223?

CVE-2023-4223 is a high-severity vulnerability in Chamilo Chamilo Lms, published on 28 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2023-4223?

It affects 1 product.

Products include Chamilo Chamilo Lms.

How do I fix CVE-2023-4223?

No fix has been published for CVE-2023-4223 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-4223 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4223 exists.

All Chamilo Chamilo Lms vulnerabilities

Sources

Also known as GHSA-73v5-4v68-mjjx.