CVE-2021-36548 File upload in n/a

Critical 9.8 Published 28 Oct 2021 Updated 4 Aug 2024

Attackers can execute arbitrary commands by uploading a crafted PHP file via the theme editor in Monstra 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-2021-36548?

CVE-2021-36548 is a critical vulnerability in n/a, published on 28 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A remote code execution (RCE) vulnerability in the component /admin/index.php?id=themes&action=edit_template&filename=blog of Monstra v3.0.4 allows attackers to execute arbitrary commands via a crafted PHP file.

Weakness: CWE-434

Which versions are affected by CVE-2021-36548?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2021-36548?

No fix has been published for CVE-2021-36548 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-36548 being exploited?

There is no known exploitation of CVE-2021-36548 in the wild and no public exploit code.

Sources

Also known as GHSA-xjmj-jj97-789f.