TI-2021-16252 Aliases CVE-2021-38680 GHSA-jwgj-g8f9-jfg6

Reflected XSS in Kazoo Server

LOW 28CWE-79Published 2021-12-29 · Updated 2024-09-16

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

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Kazoo Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.20 and later

Why it matters now

EPSS 0.00712 53rd percentileScored 2026-11-07

Fix Fixed Kazoo Server (Linn Products Limited): 4.11.20

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Linn Products Limited	Kazoo Server	before 4.11.20	4.11.20	Patch available	CNA

Kazoo Server VendorLinn Products Limited Affected before 4.11.20 Fixed in 4.11.20 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:qnap:kazoo_server::::::::	before 4.11.20	Vulnerable	QNAP

cpe:2.3:a:qnap:kazoo_server:*:*:*:*:*:*:*:* Versions before 4.11.20 Vulnerable ·QNAP

Remediation

Fix · CNA Kazoo Server (Linn Products Limited) Fixed in 4.11.20

Timeline

2026-10-02 Threatist record created from CVE-2021-38680
2026-10-03 Alias added: GHSA-jwgj-g8f9-jfg6

References

Advisory 1

https://www.qnap.com/en/security-advisory/qsa-21-54

TI-2021-16251 Improper Authentication in Kazoo Server CVSS 3.1CRITICAL 9.8

Sources

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