CVE-2021-4020

Public Exploit
Cross-site Scripting (XSS) - Stored in meetecho/janus-gateway

Description

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

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory github.com Third-Party Advisory huntr.dev
Affected: meetecho meetecho/janus-gateway
Published at:
Updated at:

References

Link Tags
https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e patch exploit third party advisory issue tracking
https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-4020?
CVE-2021-4020 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4020?
To fix CVE-2021-4020, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4020 being actively exploited in the wild?
It is possible that CVE-2021-4020 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4020?
CVE-2021-4020 affects meetecho meetecho/janus-gateway.
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