CVE-2026-50231

HIGH 7.2

Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	lms community
Product	lyrion music server
Published	Jun 5, 2026
Last Updated	Jun 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

LMS Community / Lyrion Music Server

9.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

zeroscience.mk: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5989.php vulncheck.com: https://www.vulncheck.com/advisories/lyrion-music-server-unauthenticated-stored-xss-via-server-log

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab