CVE-2024-36773 Cross-site scripting in n/a

Medium 4.8 Published 7 Jun 2024 Updated 13 Feb 2025

Attackers can execute arbitrary scripts in Monstra CMS via a crafted payload in the Themes parameter, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-36773?

CVE-2024-36773 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Jun 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Themes parameter at index.php.

Weakness: CWE-79

Which versions are affected by CVE-2024-36773?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2024-36773?

No fix has been published for CVE-2024-36773 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-36773 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-36773 exists.

Sources

Also known as GHSA-674x-pqc6-c599.