8.2

CVE-2026-21884

Medienbericht

React Router SSR XSS in ScrollRestoration

React Router is a router for React. In @remix-run/react version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, a XSS vulnerability exists in in React Router's <ScrollRestoration> 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. There is no impact if server-side rendering in Framework Mode is disabled, or if Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/react version 2.17.3 and react-router version 7.12.0.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Shopify ≫ React-router SwPlatformnode.js Version >= 7.0.0 <= 7.11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.39
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 8.2 2.8 4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 8.2 2.8 4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
VulnDex Intel
Media Report
23.03.2026 15:22
Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
VulnDex Intel
Media Report
17.03.2026 15:09
https://bugzilla.redhat.com/show_bug.cgi?id=2428421
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21884.json
https://access.redhat.com/errata/RHSA-2026:19712
https://access.redhat.com/errata/RHSA-2026:3782
https://access.redhat.com/errata/RHSA-2026:3958
https://access.redhat.com/errata/RHSA-2026:3960
https://github.com/remix-run/react-router/security/advisories/GHSA-8v8x-cx79-35w7
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-21884