Information disclosure in Browserify-Hot Module Replacement Project

CVE-2018-14730

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.

Vulnerability class: Information Disclosure

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-14730?
CVE-2018-14730 is a high-severity vulnerability in Browserify-Hot Module Replacement Project, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-09-21.
How severe is CVE-2018-14730?
High severity. CVSS v3 base score is 7.5 out of 10.