{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47428","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-19T19:37:43.527Z","datePublished":"2026-07-14T19:30:19.670Z","dateUpdated":"2026-07-15T13:20:14.275Z"},"containers":{"cna":{"title":"Vitest browser mode serves unsanitized otelCarrier query parameter as inline script","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp"},{"name":"https://github.com/vitest-dev/vitest/pull/10283","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/pull/10283"},{"name":"https://github.com/vitest-dev/vitest/pull/10285","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/pull/10285"},{"name":"https://github.com/vitest-dev/vitest/commit/18af98cee1830604d57f6a02bf28f8067cdffc06","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/commit/18af98cee1830604d57f6a02bf28f8067cdffc06"},{"name":"https://github.com/vitest-dev/vitest/commit/3514f9fa135c90e1c35754fc4d27c9cf351faafa","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/commit/3514f9fa135c90e1c35754fc4d27c9cf351faafa"},{"name":"https://github.com/vitest-dev/vitest/releases/tag/v4.1.6","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/releases/tag/v4.1.6"},{"name":"https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.3","tags":["x_refsource_MISC"],"url":"https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.3"}],"affected":[{"vendor":"vitest-dev","product":"vitest","versions":[{"version":">= 4.0.17, < 4.1.6","status":"affected"},{"version":">= 5.0.0-beta.0, < 5.0.0-beta.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-14T19:30:19.670Z"},"descriptions":[{"lang":"en","value":"Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /__vitest_test__/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest server origin and recover VITEST_API_TOKEN for authenticated API calls. This issue is fixed in versions 4.1.6 and 5.0.0-beta.3."}],"source":{"advisory":"GHSA-2h32-95rg-cppp","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T13:20:10.196813Z","id":"CVE-2026-47428","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-15T13:20:14.275Z"}}]}}