{"items":[{"id":"NVI-00014009","kind":"vulnerability","title":"React Router SSR XSS in ScrollRestoration","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8v8x-cx79-35w7","CVE-2026-21884"],"plain_summary":"GitHub lists this reviewed advisory for react-router, @remix-run/react. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-30570da2cc051f87828f93250410dcd4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-08T16:29:56.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-30570da2cc051f87828f93250410dcd4"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-30570da2cc051f87828f93250410dcd4","url":"https://github.com/advisories/GHSA-8v8x-cx79-35w7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8v8x-cx79-35w7","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:20:31.767Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-30570da2cc051f87828f93250410dcd4"],"technology":"react-router","known_exclusions":[],"conditions_summary":"A XSS vulnerability exists in in React Router's `` API in Framework Mode when using the `getKey`/`storageKey` props during Server-Side Rendering which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the keys.\n\n> [!NOTE]\n> This does not impact applications if developers have disabled server-side rendering in Framework Mode, or if they are using Declarative Mode (``) or Data Mode (`createBrowserRouter`/``).","public_affected_ranges":[">= 7.0.0, < 7.12.0"]},{"certainty":"source_listed","source_ids":["sr-30570da2cc051f87828f93250410dcd4"],"technology":"@remix-run/react","known_exclusions":[],"conditions_summary":"A XSS vulnerability exists in in React Router's `` API in Framework Mode when using the `getKey`/`storageKey` props during Server-Side Rendering which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the keys.\n\n> [!NOTE]\n> This does not impact applications if developers have disabled server-side rendering in Framework Mode, or if they are using Declarative Mode (``) or Data Mode (`createBrowserRouter`/``).","public_affected_ranges":["< 2.17.3"]}],"null_published_at":"2026-11-02T10:00:37.196Z","source_updated_at":"2026-09-08T16:29:56.000Z","source_disclosed_at":"2026-01-08T20:50:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T02:20:31.767Z"}],"next_cursor":null,"snapshot_revision":"42594"}