{"api_version":"1","generated_at":"2026-09-23T00:05:00+00:00","cve":"CVE-2026-79320","urls":{"html":"https://cve.report/CVE-2026-79320","api":"https://cve.report/api/cve/CVE-2026-79320.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-79320","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-79320"},"summary":{"title":"CVE-2026-79320","description":"Stencil core 4.43.5 contains a DOM-based cross-site scripting (XSS) vulnerability in the component runtime. When a downstream application enables the experimental slot fixes option and uses scoped components, assigning a string to the textContent property of such a component's host element causes the value to be parsed as HTML instead of being inserted as text. If an application writes attacker-controlled data to these host elements, the data can be interpreted as markup and script can execute in the context of the application's origin.","state":"PUBLISHED","assigner":"mitre","published_at":"2026-09-21 20:17:32","updated_at":"2026-09-22 19:56:19"},"problem_types":["n/a"],"metrics":[],"references":[{"url":"https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79320.md","name":"https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79320.md","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/stenciljs/core","name":"https://github.com/stenciljs/core","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79320","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79320","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"Stencil core 4.43.5 contains a DOM-based cross-site scripting (XSS) vulnerability in the component runtime. When a downstream application enables the experimental slot fixes option and uses scoped components, assigning a string to the textContent property of such a component's host element causes the value to be parsed as HTML instead of being inserted as text. If an application writes attacker-controlled data to these host elements, the data can be interpreted as markup and script can execute in the context of the application's origin."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2026-09-21T19:41:14.665Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://github.com/stenciljs/core"},{"url":"https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79320.md"}]}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2026-79320","datePublished":"2026-09-21T00:00:00.000Z","dateReserved":"2026-08-25T00:00:00.000Z","dateUpdated":"2026-09-21T19:41:14.665Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-21 20:17:32","lastModifiedDate":"2026-09-22 19:56:19","problem_types":["n/a"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"79320","Ordinal":"1","Title":"CVE-2026-79320","CVE":"CVE-2026-79320","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"79320","Ordinal":"1","NoteData":"Stencil core 4.43.5 contains a DOM-based cross-site scripting (XSS) vulnerability in the component runtime. When a downstream application enables the experimental slot fixes option and uses scoped components, assigning a string to the textContent property of such a component's host element causes the value to be parsed as HTML instead of being inserted as text. If an application writes attacker-controlled data to these host elements, the data can be interpreted as markup and script can execute in the context of the application's origin.","Type":"Description","Title":"CVE-2026-79320"}]}}}