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TI-2026-36984 Aliases CVE-2026-50231GHSA-4hhv-5h2w-9qm2

Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00183 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LMS CommunityLyrion Music Server9.2.0—No fix listedCNA
  • Lyrion Music Server VendorLMS Community Affected 9.2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-50231
  2. 2026-10-03 Alias added: GHSA-4hhv-5h2w-9qm2

References

Advisory 1

  • TI-2026-36987 Lyrion Music Server 9.2.0 Path Traversal File Read CVSS 4.0HIGH 8.7
  • TI-2026-36985 Lyrion Music Server 9.2.0 Stored XSS via Metadata Tags CVSS 4.0MEDIUM 5.1
  • TI-2026-36986 Lyrion Music Server 9.2.0 Arbitrary Directory Listing CVSS 4.0MEDIUM 6.9
  • TI-2026-36983 Lyrion Music Server 9.2.0 Reflected XSS via server.log CVSS 4.0MEDIUM 5.1
  • TI-2026-36988 Lyrion Music Server 9.2.0 Reflected XSS via search Parameters CVSS 4.0MEDIUM 5.1

Sources

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