CVE-2026-48559— Lightweight Music Server 3.76.0 Stored XSS via Media File Metadata Tags
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-48559
Vulnerability Information
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Vulnerability Title
Lightweight Music Server 3.76.0 Stored XSS via Media File Metadata Tags
Source: NVD (National Vulnerability Database)
Vulnerability Description
Lightweight Music Server (LMS) though 3.76.0 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary JavaScript by embedding malicious HTML in media file metadata tags such as GENRE, ARTIST, or ALBUM. Attackers can introduce a crafted media file into the victim's library, causing the payload to be saved during library scanning and executed automatically in the web interface due to tag content being rendered using Wt::TextFormat::UnsafeXHTML without sanitization in src/lms/ui/Utils.cpp.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-48559
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Patches & Fixes for CVE-2026-48559 (1)
Vendor Advisories for CVE-2026-48559 (2)
- 🔗 Lightweight Music Server (LMS) 3.76.0 (metadata) Stored XSS Read full article technical-descriptionexploit
Other References for CVE-2026-48559 (1)
IV. Related Vulnerabilities
Same product: lms
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Stored XSS in Frappe LMS - CVE-2026-26977
Frappe Learning Management System exposes details of unpubli - CVE-2026-26031
Frappe LMS affected by unauthorised user was able to access
Same weakness: CWE-79
- CVE-2026-42676
WordPress myCred plugin <= 3.0.4 - Cross Site Scripting (XSS - CVE-2026-42678
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WordPress e2pdf plugin <= 1.32.14 - Reflected Cross Site Scr - CVE-2026-42683
WordPress VikBooking Hotel Booking Engine & PMS plugin <= 1. - CVE-2026-48839
WordPress WP Statistics plugin <= 14.16.6 - Cross Site Scrip
V. Comments for CVE-2026-48559
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