CVE-2026-0566 code-projects Content Management System edit_posts.php unrestricted upload

Medium 5.1 Published 2 Jan 2026 Updated 23 Feb 2026

Remote attackers can upload malicious files via the edit_posts.php script in code-projects CMS, potentially leading to code execution.

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

What is CVE-2026-0566?

CVE-2026-0566 is a medium-severity vulnerability in code-projects Content Management System, published on 2 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A security vulnerability has been detected in code-projects Content Management System 1.0. Impacted is an unknown function of the file /admin/edit_posts.php. The manipulation of the argument image leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-434, CWE-284

Which versions are affected by CVE-2026-0566?

It affects 1 product.

Products include Code-Projects Content Management System.

How do I fix CVE-2026-0566?

No fix has been published for CVE-2026-0566 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-0566 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0566 exists.

Sources

Also known as GHSA-vpj6-gh53-xhr4.