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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-48559

Lightweight Music Server 3.76.0 Stored XSS via Media File Metadata Tags

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

epoupon lms

Default version status: affected

  • 0 to ≤ 3.76.0affected
pkg:github/epoupon/lms

References