Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.Test your applications
- Snyk ID SNYK-JS-WEBPACKDEVSERVER-72405
- published 26 Sep 2018
- disclosed 24 Jul 2018
- credit chromium1337
How to fix?
Upgrade webpack-dev-server to version 3.1.11 or higher.
webpack-dev-server Uses webpack with a development server that provides live reloading. It should be used for development only.
Affected versions of this package are vulnerable to Information Exposure.
The origin of requests is not checked by the WebSocket server, which is used for HMR. A malicious user could receive the HMR message sent by the WebSocket server via a
ws://127.0.0.1:8080/ connection from any origin.