{ "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" } } ] } }