CVE-2018-10121 Cross-site scripting in n/a

Medium 4.8 Published 15 Apr 2018 Updated 17 Sep 2024

An attacker with editor role can inject malicious scripts via the 404 page title, leading to potential session hijacking or code execution.

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-2018-10121?

CVE-2018-10121 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Apr 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

plugins/box/pages/pages.admin.php in Monstra CMS 3.0.4 has a stored XSS vulnerability when an attacker has access to the editor role, and enters the payload in the title section of an admin/index.php?id=pages&action=edit_page&name=error404 (aka Edit 404 page) action.

Weakness: CWE-79

Which versions are affected by CVE-2018-10121?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2018-10121?

No fix has been published for CVE-2018-10121 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-2018-10121 being exploited?

There is no known exploitation of CVE-2018-10121 in the wild and no public exploit code.

Sources

Also known as GHSA-vxmv-hghc-cq63.