CVE-2026-94004 DedeCMS mytag_js.php code injection

Medium 6.9 Published Updated

Remote attackers can execute arbitrary code via the aid argument in mytag_js.php, requiring authentication.

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-2026-94004?

CVE-2026-94004 is a medium-severity code injection vulnerability in DedeCMS, published on 20 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in DedeCMS up to 5.7.118. The affected element is an unknown function of the file plus/mytag_js.php. The manipulation of the argument aid results in code injection. The attack can be launched remotely. The exploit has been made public and could be used.

Weakness: CWE-94, CWE-74

Which versions are affected by CVE-2026-94004?

How do I fix CVE-2026-94004?

No fix has been published for CVE-2026-94004 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-94004 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94004 exists.

Sources

Also known as GHSA-m575-xcmx-5jj5.

Is CVE-2026-94004 in your software?

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