CVE-2023-6723 Unrestricted Upload of File with Dangerous Type in Repox

Critical 10.0 Published 13 Dec 2023 Updated 22 May 2025

Attackers can upload malicious files to Repox via the transformationfileupload function, leading to full system compromise.

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

What is CVE-2023-6723?

CVE-2023-6723 is a critical vulnerability in Repox, published on 13 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An unrestricted file upload vulnerability has been identified in Repbox, which allows an attacker to upload malicious files via the transforamationfileupload function, due to the lack of proper file type validation controls, resulting in a full system compromise.

Weakness: CWE-434

Which versions are affected by CVE-2023-6723?

It affects 1 product.

Products include Europeana Repox.

How do I fix CVE-2023-6723?

No fix has been published for CVE-2023-6723 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-6723 being exploited?

There is no known exploitation of CVE-2023-6723 in the wild and no public exploit code.

Sources

Also known as GHSA-qhj9-jqq3-357q.