XSS in Beetbox Beets

CVE-2026-42052

Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode <%= ... %> for untrusted metadata fields. In this runtime, <%= ... %> is raw insertion and HTML escaping…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.