Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log
CVE-2026-50231

5.1MEDIUM

Key Information:

Vendor

Lms Community

Status
Lyrion Music Server
Vendor
CVE Published:
5 June 2026

What is CVE-2026-50231?

Lyrion Music Server 9.2.0 contains an unauthenticated stored cross-site scripting vulnerability in the log viewer that allows attackers to inject malicious scripts by exploiting unescaped template variables. Attackers can inject XSS payloads through search, lines, and path query parameters or by crafting values that get logged such as URLs, User-Agent headers, stream titles, or player names to execute arbitrary scripts in users' browsers.

Affected Version(s)

Lyrion Music Server 9.2.0

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-59...
third-party-advisory
https://www.vulncheck.com/advisories/lyrion-music-server-...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
.