CVE-2018-14732

Published Sep 21, 2018 CVSS 3.0 · 7.5 High EPSS 2.5% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2019-0183 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.
Github GHSA Github GHSA GHSA-cf66-xwfp-gvc4 Missing Origin Validation in webpack-dev-server
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 9:38 AM
Reserved
Jul 28, 2018, 12:00 AM
Status
Modified
Published
Sep 21, 2018, 5:29 PM
Modified
Jun 17, 2026, 1:41 AM