CVE-2018-20136 Cross-site scripting in n/a

Medium 4.8 Published 13 Dec 2018 Updated 17 Sep 2024

Cross-site scripting in FUEL CMS allows attackers to inject malicious scripts via layout variables during page creation, potentially leading to 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-2018-20136?

CVE-2018-20136 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Dec 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

XSS exists in FUEL CMS 1.4.3 via the Header or Body in the Layout Variables during new-page creation, as demonstrated by the pages/edit/1?lang=english URI.

Weakness: CWE-79

Which versions are affected by CVE-2018-20136?

It affects 1 product.

Products include Thedaylightstudio Fuel Cms.

How do I fix CVE-2018-20136?

No fix has been published for CVE-2018-20136 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-2018-20136 being exploited?

There is no known exploitation of CVE-2018-20136 in the wild and no public exploit code.

Sources

Also known as GHSA-hh3c-748f-8mj7.