{"id":"CVE-2026-42052","state":"PUBLISHED","title":"beets is Vulnerable to XSS","description":"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.","publishedAt":"2026-05-04T17:06:23.162Z","updatedAt":"2026-06-23T21:33:30.608Z","severity":{"score":6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["beetbox beets"],"affected":[{"vendor":"beetbox","product":"beets","versions":[{"version":"< 2.10.0","status":"affected"}]}],"references":["https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847","https://github.com/beetbox/beets/releases/tag/v2.10.0","https://lists.debian.org/debian-lts-announce/2026/06/msg00030.html"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42052.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42052","state":"PUBLISHED","datePublished":"2026-05-04T17:06:23.162Z","dateUpdated":"2026-06-23T21:33:30.608Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-23T16:05:01.710Z"},"containers":{"cna":{"title":"beets is Vulnerable to XSS","descriptions":[{"lang":"en","value":"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":[{"vendor":"beetbox","product":"beets","versions":[{"version":"< 2.10.0","status":"affected"}]}],"references":[{"url":"https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847","name":"https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/beetbox/beets/releases/tag/v2.10.0","name":"https://github.com/beetbox/beets/releases/tag/v2.10.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-04T17:06:23.162Z"},"source":{"advisory":"GHSA-3gxm-wfjx-m847","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-05T13:07:05.509400Z","id":"CVE-2026-42052","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-05T14:14:52.313Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2026/06/msg00030.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-06-23T21:33:30.608Z"}}]}}}