An issue was discovered in lib/Server.js in webpack-dev-server before 3.1.6. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1:8080/ connection from any origin.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-09-21T17:00:00

Updated: 2024-08-05T09:38:13.243Z

Reserved: 2018-07-28T00:00:00

Link: CVE-2018-14732

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2018-09-21T17:29:05.373

Modified: 2019-08-01T12:14:39.407

Link: CVE-2018-14732

cve-icon Redhat

No data.