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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.017 (76.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/AgentME/browserify-hmr/issues/41 (Third Party Advisory)
- blog.cal1.cn/post/Sniffing Codes in Hot Module Reloading Messages (Exploit, Third Party Advisory)
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.