CVE-2026-42052

Summary

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 is only performed by <%- … %>. Rendered output is then inserted with .html(…), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

Affected Software

VendorProductVersion RangeStatus
beetboxbeets< 2.10.0affected

Weaknesses

  • CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References