CVE-2021-24495 Marmoset Viewer < 1.9.3 - Reflected Cross Site Scripting
Reflected Cross-Site Scripting in Marmoset Viewer WordPress plugin allows attackers to inject malicious scripts via the id parameter.
- 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-2021-24495?
CVE-2021-24495 is a medium-severity cross-site scripting vulnerability in Unknown Marmoset Viewer, published on 9 Aug 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
The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.
Weakness: CWE-79
Which versions are affected by CVE-2021-24495?
It affects 1 product.
Products include Marmoset Marmoset Viewer.
How do I fix CVE-2021-24495?
No fix has been published for CVE-2021-24495 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-2021-24495 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24495 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-4r3v-6fhp-p4mw.