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Vulnerabilities

Vulnerability · CVE-2026-42052

Beets is the media library management system.

Published May 4, 2026 · catalog updated Jun 23, 2026 · Beets is the media

Check if you run it

No confirmed exploitation is on record for CVE-2026-42052. EPSS is 0.53%. Act only if a listed version of Beets is the media is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Beets is the media).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.53%
Remediation
Advisory link
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-42052

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-42052. EPSS is 0.53%. Act only if a listed version of Beets is the media is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.53%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 4, 2026 · NIST NVD

    Detected

    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.

  2. Jun 23, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-42052

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-42052

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-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 is only performed by . Rendered

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.