CVE-2026-50231

HIGH

Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log

Title source: cna
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Third Party Advisory third-party-advisory
Zero Science Lab Disclosure
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5989.php
Third Party Advisory third-party-advisory
VulnCheck Advisory: Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log
https://www.vulncheck.com/advisories/lyrion-music-server-unauthenticated-stored-xss-via-server-log

Scores

CVSS v3 7.2
EPSS 0.0018
EPSS Percentile 8.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
LMS Community/Lyrion Music Server 9.2.0
Published Jun 05, 2026
Tracked Since Jun 05, 2026