CVE-2021-3857 Cross-site Scripting (XSS) - Stored in chaskiq/chaskiq
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-2021-3857?
CVE-2021-3857 is a high-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-2021-3857?
It affects 1 product.
Products include Chaskiq Chaskiq.
How do I fix CVE-2021-3857?
No fix has been published for CVE-2021-3857 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-2021-3857 being exploited?
There is no known exploitation of CVE-2021-3857 in the wild and no public exploit code.
Other vulnerabilities in chaskiq/chaskiq
Sources
Also known as GHSA-c6rr-f65f-365x.