Executive brief
Lyrion Music Server, a platform for managing and streaming digital music collections, is vulnerable to a security flaw in its advanced search feature. An attacker can trick a user into clicking a malicious link that executes unauthorized code within their web browser. This could allow the attacker to steal sensitive session information or perform actions on behalf of the user, potentially compromising their account and music library management.
Technical details
A reflected cross-site scripting (XSS) vulnerability exists in Lyrion Music Server version 9.2.0 and below. The application fails to properly sanitize user-supplied input within advanced search parameters before rendering it back in the search results page. An unauthenticated remote attacker can exploit this by crafting a malicious URL containing JavaScript and enticing a logged-in user to visit it. Successful exploitation allows for the execution of arbitrary script code in the context of the victim's browser session, which can be used to hijack sessions, steal cookies, or perform unauthorized administrative actions. The vulnerability was identified by Zero Science Lab.
Affected products
- Lyrion Music Server <= 9.2.0
Timeline
- 2026-06-05: disclosed: Initial disclosure by Zero Science Lab and VulnCheck
- 2026-06-05: advisory: CVE-2026-50235 published