VULNERABILITY INTELLIGENCE

CVE-2018-14730

CVSS score7.5 HIGH

EPSS probability1.69%

CISA KEVNot currently listed

Published2018-09-21

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

An issue was discovered in Browserify-HMR. 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://127.0.0.1:3123/ connection from any origin.

Weakness classification

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory