CVEvulnerability
CVE-2018-14730
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-09-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-200
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.
Affected configurations
• browserify-hot module replacement project browserify-hot module replacement
Related
Weakness · CWE (1)
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
Referenced by CWE · observed example (1)
- CWE-1385 Missing Origin Validation in WebSockets weakness
References
- https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages Exploit, Third Party Advisory
- https://github.com/AgentME/browserify-hmr/issues/41 Third Party Advisory
- https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages Exploit, Third Party Advisory
- https://github.com/AgentME/browserify-hmr/issues/41 Third Party Advisory