CVE-2018-6550 Cross-site scripting in n/a

Medium 5.4 Published 2 Feb 2018 Updated 16 Sep 2024

Cross-site scripting vulnerability in Monstra CMS allows attackers to inject malicious scripts via page titles, potentially leading to session hijacking or code execution.

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

What is CVE-2018-6550?

CVE-2018-6550 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Feb 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Monstra CMS through 3.0.4 has XSS in the title function in plugins/box/pages/pages.plugin.php via a page title to admin/index.php.

Weakness: CWE-79

Which versions are affected by CVE-2018-6550?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2018-6550?

No fix has been published for CVE-2018-6550 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-2018-6550 being exploited?

There is no known exploitation of CVE-2018-6550 in the wild and no public exploit code.

Sources

Also known as GHSA-69m3-46w2-grm4.