CVE-2020-23962 Cross-site scripting in n/a

Medium 6.1 Published 23 Jun 2021 Updated 4 Aug 2024

Attackers can execute arbitrary web scripts via the announcement_gonggao parameter in Catfish CMS, potentially compromising user sessions.

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-2020-23962?

CVE-2020-23962 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Jun 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

A cross site scripting (XSS) vulnerability in Catfish CMS 4.9.90 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "announcement_gonggao" parameter.

Weakness: CWE-79

Which versions are affected by CVE-2020-23962?

It affects 1 product.

Products include Catfish-Cms Catfish Cms.

How do I fix CVE-2020-23962?

No fix has been published for CVE-2020-23962 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-2020-23962 being exploited?

There is no known exploitation of CVE-2020-23962 in the wild and no public exploit code.

Sources

Also known as GHSA-hgj5-9jvf-p496.