CVE-2021-4124 Cross-site Scripting (XSS) - Stored in meetecho/janus-gateway
Stored XSS in Janus Gateway allows attackers to inject scripts, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4124?
CVE-2021-4124 is a high-severity cross-site scripting vulnerability in meetecho/janus-gateway, published on 16 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Weakness: CWE-79
Which versions are affected by CVE-2021-4124?
It affects 1 product.
Products include Meetecho Janus.
How do I fix CVE-2021-4124?
No fix has been published for CVE-2021-4124 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-2021-4124 being exploited?
There is no known exploitation of CVE-2021-4124 in the wild and no public exploit code.
Other vulnerabilities in meetecho/janus-gateway
Sources
Also known as DEBIAN-CVE-2021-4124, GHSA-gv3q-27qx-g2xh, UBUNTU-CVE-2021-4124.