CVE-2025-70073 Code injection in n/a

High 7.2 Published 5 Feb 2026 Updated 9 Feb 2026

Remote attackers can execute arbitrary code via the template creation function in ChestnutCMS, requiring immediate upgrades.

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-2025-70073?

CVE-2025-70073 is a high-severity code injection vulnerability in n/a, published on 5 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function

Weakness: CWE-94

Which versions are affected by CVE-2025-70073?

It affects 1 product.

Products include 1000mz Chestnutcms.

How do I fix CVE-2025-70073?

No fix has been published for CVE-2025-70073 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-2025-70073 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70073 exists.

Sources

Also known as GHSA-4frq-g5px-8jfp.