CVE-2018-17026 Cross-site scripting in n/a

Medium 4.8 Published Updated

Cross-site scripting vulnerability in Monstra CMS allows attackers to inject malicious scripts via the page_meta_title parameter.

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-2018-17026?

CVE-2018-17026 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Sep 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page&name=error404 action, a different vulnerability than CVE-2018-10121.

Weakness: CWE-79

Which versions are affected by CVE-2018-17026?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2018-17026?

No fix has been published for CVE-2018-17026 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-2018-17026 being exploited?

There is no known exploitation of CVE-2018-17026 in the wild and no public exploit code.

Sources

Also known as GHSA-r53h-whv4-mpf6.

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