CVE-2018-14731 | BDVDB-2026-107264 Detail

Description#

An issue was discovered in HMRServer.js in Parcel parcel-bundler. 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 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the "new WebSocket" line in the source code.

Impact#

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Exploit#

History#

1. Version 12018-09-21Record published in the CVE List.
2. Version 22024-08-05Most recent update recorded in the CVE List.