Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper origin checks of UI route submissions in server-side route action handlers in Framework Mode. An attacker can execute unauthorized actions by tricking a user into submitting a crafted...

Cross-site Request Forgery (CSRF)

Overview @remix-run/server-runtime is a Server runtime for Remix Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper origin checks of UI route submissions in server-side route action handlers in Framework Mode. An attacker can execute unauthoriz...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper origin checks of UI route submissions in server-side route action handlers in Framework Mode. An attacker can execute unauthorized actions by tricking a user into submitting a crafted...

React Router has CSRF issue in Action/Server Action Request Processing

React Router or Remix v2 is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. !NOTE This does not impact your application if you are using Declarative...

GHSA-H5CW-625J-3RXH React Router has CSRF issue in Action/Server Action Request Processing

React Router or Remix v2 is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. !NOTE This does not impact your application if you are using Declarative...

GHSA-2W69-QVJG-HVJX React Router vulnerable to XSS via Open Redirects

React Router and Remix v1/v2 SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs causing unintended javascript execution on the client. This is only an issue if developers are creating redirect paths...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute arbitrary JavaScript code in the context of the user's browser by...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute arbitrary JavaScript code in the context of the user's browser by...

Cross-site Scripting (XSS)

Overview @remix-run/router is a Nested/Data-driven/Framework-agnostic Routing Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ScrollRestoration API when using the getKey or storageKey props during server-side rendering in Framework Mode. An attacker can execute arbitrary JavaScript code by supplying untrusted content to generat...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ScrollRestoration API when using the getKey or storageKey props during server-side rendering in Framework Mode. An attacker can execute arbitrary JavaScript code by supplying untrusted content to generat...

GHSA-8V8X-CX79-35W7 React Router SSR XSS in ScrollRestoration

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. !NOTE This does not impact applications if...

React Router SSR XSS in ScrollRestoration

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. !NOTE This does not impact applications if...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Meta API in Framework Mode when generating script:ld+json tags during server-side rendering with untrusted content. An attacker can execute arbitrary JavaScript code by injecting malicious input into the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Meta API in Framework Mode when generating script:ld+json tags during server-side rendering with untrusted content. An attacker can execute arbitrary JavaScript code by injecting malicious input into the...

GHSA-3CGP-3XVW-98X8 React Router has XSS Vulnerability

A XSS vulnerability exists in in React Router's meta/ APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag. !NOTE This does not impact applications using Declarative Mode or Data Mod...

PT-2026-2120

Name of the Vulnerable Software and Affected Versions @remix-run/react versions prior to 2.17.3 react-router versions 7.0.0 through 7.11.0 Description React Router, a router for React, contains a cross-site scripting XSS issue within the API when operating in Framework Mode during Server-Side...

React Router allows pre-render data spoofing on React-Router framework mode

Summary After some research, it turns out that 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. Latest versions are impacted. Details The vulnerable header i...

GHSA-CPJ6-FHP6-MR6J React Router allows pre-render data spoofing on React-Router framework mode

Summary After some research, it turns out that 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. Latest versions are impacted. Details The vulnerable header i...