CVE-2021-3853 Cross-site Scripting (XSS) - Stored in chaskiq/chaskiq

Medium 6.5 Published Updated

Attackers can inject malicious scripts into Chaskiq chat messages, potentially stealing user sessions or executing code in victim browsers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-3853?

CVE-2021-3853 is a medium-severity cross-site scripting vulnerability in chaskiq/chaskiq, published on 17 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

chaskiq is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Weakness: CWE-79

Which versions are affected by CVE-2021-3853?

It affects 1 product.

Products include Chaskiq Chaskiq.

How do I fix CVE-2021-3853?

No fix has been published for CVE-2021-3853 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-2021-3853 being exploited?

There is no known exploitation of CVE-2021-3853 in the wild and no public exploit code.

Sources

Also known as GHSA-5xxh-8vm7-3hmm.

Is CVE-2021-3853 in your software?

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

Check your SBOMs for free