{"vulnerability": "GHSA-4Q56-CRQP-V477", "sightings": [{"uuid": "2223eded-8f51-4266-be46-283daca80f31", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "GHSA-4q56-crqp-v477", "type": "seen", "source": "https://infosec.exchange/users/cR0w/statuses/114264388612256212", "content": "", "creation_timestamp": "2025-04-01T19:36:44.028557Z"}, {"uuid": "e3ae66a5-900e-4a3c-99b4-dc0d765dbb85", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "GHSA-4Q56-CRQP-V477", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/9963", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-31137\n\ud83d\udd25 CVSS Score: 7.5 (cvssV3_0, Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\ud83d\udd39 Description: React Router is a multi-strategy router for React bridging the gap from React 18 to React 19. There is a vulnerability in Remix/React Router that affects all Remix 2 and React Router 7 consumers using the Express adapter. Basically, this vulnerability allows anyone to spoof the URL used in an incoming Request by putting a URL pathname in the port section of a URL that is part of a Host or X-Forwarded-Host header sent to a Remix/React Router request handler. This issue has been patched and released in Remix 2.16.3 and React Router 7.4.1.\n\ud83d\udccf Published: 2025-04-01T18:20:32.660Z\n\ud83d\udccf Modified: 2025-04-01T18:20:32.660Z\n\ud83d\udd17 References:\n1. https://github.com/remix-run/react-router/security/advisories/GHSA-4q56-crqp-v477", "creation_timestamp": "2025-04-01T18:32:39.000000Z"}, {"uuid": "a8d9062c-6193-4a8e-b6ee-b412d0a30923", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "GHSA-4q56-crqp-v477", "type": "seen", "source": "https://infosec.exchange/users/cR0w/statuses/114264388612256212", "content": "", "creation_timestamp": "2025-04-01T19:36:44.027142Z"}]}