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CVE-2026-50231— Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log

Quick assessment

Affected
LMS Community Lyrion Music Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lyrion Music Server是Lyrion组织的一个音频服务器软件。 Lyrion Music Server 9.2.0版本存在跨站脚本漏洞，该漏洞源于日志查看器中存在未经验证的存储型跨站脚本漏洞，可能导致注入恶意脚本。

CVSS 7.2 · High EPSS 0.31% · P22

Affected Version Matrix 1

VendorProduct Version RangeStatus
LMS Community Lyrion Music Server 9.2.0 affected
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I. Basic Information for CVE-2026-50231

Vulnerability Information
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Vulnerability Title
Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Lyrion Music Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lyrion Music Server是Lyrion组织的一个音频服务器软件。 Lyrion Music Server 9.2.0版本存在跨站脚本漏洞，该漏洞源于日志查看器中存在未经验证的存储型跨站脚本漏洞，可能导致注入恶意脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LMS Community Lyrion Music Server 9.2.0 -

II. Public POCs for CVE-2026-50231

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III. Intelligence Information for CVE-2026-50231

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Vendor Advisories for CVE-2026-50231 (2)

Same Patch Batch · LMS Community · 2026-06-05 · 6 CVEs total

CVE-2026-50234 7.5 HIGH Lyrion Music Server 9.2.0 Path Traversal File Read
CVE-2026-50232 7.2 HIGH Lyrion Music Server 9.2.0 Stored XSS via Metadata Tags
CVE-2026-50235 6.1 MEDIUM Lyrion Music Server 9.2.0 Reflected XSS via search Parameters
CVE-2026-50230 6.1 MEDIUM Lyrion Music Server 9.2.0 Reflected XSS via server.log
CVE-2026-50233 5.3 MEDIUM Lyrion Music Server 9.2.0 Arbitrary Directory Listing

IV. Related Vulnerabilities

Same product: Lyrion Music Server
Same vendor: LMS Community
Same weakness: CWE-79

V. Comments for CVE-2026-50231

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