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TI-2021-03000 Aliases CVE-2021-4124GHSA-gv3q-27qx-g2xh

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

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.00969 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed meetecho/janus-gateway (meetecho): 0.11.7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
meetechomeetecho/janus-gatewaybefore 0.11.70.11.7Patch availableCNA
  • meetecho/janus-gateway Vendormeetecho Affected before 0.11.7 Fixed in 0.11.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*up to 0.11.6Vulnerablemeetecho
  • cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:* Versions up to 0.11.6 Vulnerable ·meetecho

Remediation

  • Fix · CNA meetecho/janus-gateway (meetecho) Fixed in 0.11.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4124
  2. 2026-10-03 Alias added: GHSA-gv3q-27qx-g2xh

References

Exploit 1

Patch 1

  • TI-2020-10998 An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. CVSS 3.1CRITICAL 9.8
  • TI-2020-10882 An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. CVSS 3.1CRITICAL 9.8
  • TI-2020-10997 An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. CVSS 3.1CRITICAL 9.8
  • TI-2020-08488 An issue was discovered in Janus through 0.9.1. CVSS 3.1CRITICAL 9.8
  • TI-2020-10881 An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. CVSS 3.1HIGH 7.5
  • TI-2020-10880 An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. CVSS 3.1HIGH 7.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences