CVE-2026-5333 DefaultFuction Content-Management-System tools.php command injection
Remote attackers with permissions can execute arbitrary commands via the host argument in tools.php of DefaultFuction CMS.
- 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-2026-5333?
CVE-2026-5333 is a medium-severity command injection vulnerability in DefaultFuction Content-Management-System, published on 2 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-5333?
It affects 1 product.
Products include Defaultfuction Content Management System.
How do I fix CVE-2026-5333?
No fix has been published for CVE-2026-5333 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-5333 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5333 exists.
Sources
Also known as GHSA-p458-m7mj-jhv3.