{"id":"CVE-2025-43865","state":"PUBLISHED","title":"React Router allows pre-render data spoofing on React-Router framework mode","description":"React Router is a router for React. In versions on the 7.0 branch prior to version 7.5.2, it's possible to modify pre-rendered data by adding a header to the request. This allows to completely spoof its contents and modify all the values ​​of the data object passed to the HTML. This issue has been patched in version 7.5.2.","publishedAt":"2025-04-25T00:18:53.222Z","updatedAt":"2025-04-25T15:16:00.202Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["remix-run react-router"],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":">= 7.0, < 7.5.2","status":"affected"}]}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-cpj6-fhp6-mr6j","https://github.com/remix-run/react-router/commit/c84302972a152d851cf5dd859ff332b354b70111","https://github.com/remix-run/react-router/blob/e6c53a0130559b4a9bd47f9cf76ea5b08a69868a/packages/react-router/lib/server-runtime/routes.ts#L87"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:09:17.366Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/43xxx/CVE-2025-43865.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-43865","state":"PUBLISHED","datePublished":"2025-04-25T00:18:53.222Z","dateUpdated":"2025-04-25T15:16:00.202Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-04-17T20:07:08.556Z"},"containers":{"cna":{"title":"React Router allows pre-render data spoofing on React-Router framework mode","descriptions":[{"lang":"en","value":"React Router is a router for React. In versions on the 7.0 branch prior to version 7.5.2, it's possible to modify pre-rendered data by adding a header to the request. This allows to completely spoof its contents and modify all the values ​​of the data object passed to the HTML. This issue has been patched in version 7.5.2."}],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":">= 7.0, < 7.5.2","status":"affected"}]}],"references":[{"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-cpj6-fhp6-mr6j","name":"https://github.com/remix-run/react-router/security/advisories/GHSA-cpj6-fhp6-mr6j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/remix-run/react-router/commit/c84302972a152d851cf5dd859ff332b354b70111","name":"https://github.com/remix-run/react-router/commit/c84302972a152d851cf5dd859ff332b354b70111","tags":["x_refsource_MISC"]},{"url":"https://github.com/remix-run/react-router/blob/e6c53a0130559b4a9bd47f9cf76ea5b08a69868a/packages/react-router/lib/server-runtime/routes.ts#L87","name":"https://github.com/remix-run/react-router/blob/e6c53a0130559b4a9bd47f9cf76ea5b08a69868a/packages/react-router/lib/server-runtime/routes.ts#L87","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345: Insufficient Verification of Data Authenticity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-04-25T00:18:53.222Z"},"source":{"advisory":"GHSA-cpj6-fhp6-mr6j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-25T15:11:14.012087Z","id":"CVE-2025-43865","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-25T15:16:00.202Z"}}]}}}