XSS in Lyrion Music Server

CVE-2025-65229

A stored cross-site scripting (XSS) vulnerability exists in the web interface of Lyrion Music Server <= 9.0.3. An authenticated user with access to Settings Player can save arbitrary HTML/JavaScript in the Player name field. That value is stored by the server and later rendered without proper output encoding on the Information (Player Info) tab, causing the script to execute in the context of any user viewing that page.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-65229: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-65229?
CVE-2025-65229 is a medium-severity vulnerability in Lyrion Music Server, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-12-08.
How severe is CVE-2025-65229?
Medium severity. CVSS v3 base score is 4.6 out of 10.