CVE-2025-30360

npm/webpack-dev-server CVE-2025-30360: medium 6.5, EPSS 0.34%

webpack-dev-server users' source code may be stolen when they access a malicious web site with non-Chromium based browser

Action: Upgrade webpack-dev-server to 5.2.1 or later.

npm i webpack-dev-server@5.2.1

Affected

Fixed versions

Sources

• osv: GHSA-9jgg-88mc-972h
• https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-9jgg-88mc-972h
• https://nvd.nist.gov/vuln/detail/CVE-2025-30360
• https://github.com/webpack/webpack-dev-server/commit/5c9378bb01276357d7af208a0856ca2163db188e
• https://github.com/webpack/webpack-dev-server/commit/72efaab83381a0e1c4914adf401cbd210b7de7eb
• https://github.com/webpack/webpack-dev-server/commit/d2575ad8dfed9207ed810b5ea0ccf465115a2239
• https://github.com/webpack/webpack-dev-server
• https://github.com/webpack/webpack-dev-server/blob/55220a800ba4e30dbde2d98785ecf4c80b32f711/lib/Server.js#L3113-L3127

CVE-2025-30360 · published 2025-06-04T21:09:38Z · modified 2026-09-10T03:50:25.088634204Z · JSON