CVE-2020-20138 Cross-site scripting in n/a

Medium 6.1 Published Updated

An XSS vulnerability in the Showtime2 Slideshow module allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.

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-2020-20138?

CVE-2020-20138 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 17 Dec 2020. 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) vulnerability in the Showtime2 Slideshow module in CMS Made Simple (CMSMS) 2.2.4.

Weakness: CWE-79

Which versions are affected by CVE-2020-20138?

It affects 1 product.

Products include Cmsmadesimple Cms Made Simple.

How do I fix CVE-2020-20138?

No fix has been published for CVE-2020-20138 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-2020-20138 being exploited?

There is no known exploitation of CVE-2020-20138 in the wild and no public exploit code.

All Cmsmadesimple Cms Made Simple vulnerabilities

Sources

Also known as GHSA-qvw9-x4gw-6754.

Is CVE-2020-20138 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free