{"action":"Upgrade webpack-dev-server to 5.2.1 or later.","affected":[{"fixed":"5.2.1","introduced":"0"}],"component":"webpack-dev-server","cve_ids":["CVE-2025-30360"],"ecosystem":"npm","epss":0.00342,"exploited":false,"fixed_versions":["5.2.1"],"ghsa_id":"GHSA-9jgg-88mc-972h","id":"tcs_01M5KFG3PYVA6H8YEMJF71SY76","modified_at":"2026-09-10T03:50:25.088634204Z","published_at":"2025-06-04T21:09:38Z","references":["https://osv.dev/vulnerability/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"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-9jgg-88mc-972h","url":"https://osv.dev/vulnerability/GHSA-9jgg-88mc-972h"}],"summary":"webpack-dev-server users' source code may be stolen when they access a malicious web site with non-Chromium based browser"}