CVE-2020-17999 Cross-site scripting in n/a

Medium 6.1 Published 28 Apr 2021 Updated 4 Aug 2024

Remote attackers can execute arbitrary code via XSS in MiniCMS admin post-editing interface.

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

What is CVE-2020-17999?

CVE-2020-17999 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) in MiniCMS v1.10 allows remote attackers to execute arbitrary code by injecting commands via a crafted HTTP request to the component "/mc-admin/post-edit.php".

Weakness: CWE-79

Which versions are affected by CVE-2020-17999?

It affects 1 product.

Products include 1234n Minicms.

How do I fix CVE-2020-17999?

No fix has been published for CVE-2020-17999 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-2020-17999 being exploited?

There is no known exploitation of CVE-2020-17999 in the wild and no public exploit code.

Sources

Also known as GHSA-7xp7-6fc7-c4j6.