CVE-2020-23697 Cross-site scripting in n/a

Medium 5.4 Published 6 Jul 2021 Updated 4 Aug 2024

Cross-site scripting in Monstra CMS admin page feature allows attackers to inject scripts, 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-2020-23697?

CVE-2020-23697 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting vulnerabilty in Monstra CMS 3.0.4 via the page feature in admin/index.php.

Weakness: CWE-79

Which versions are affected by CVE-2020-23697?

It affects 1 product.

Products include Monstra Monstra Cms.

How do I fix CVE-2020-23697?

No fix has been published for CVE-2020-23697 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-2020-23697 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-23697 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-9r6c-7f3j-3grq.