{"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-2025-30359"],"ecosystem":"npm","epss":0.00573,"exploited":false,"fixed_versions":["5.2.1"],"ghsa_id":"GHSA-4v9v-hfq4-rm2v","id":"tcs_01M5KF1FP18VTRTZ9K2VETWM1W","modified_at":"2026-09-10T03:50:24.784004995Z","published_at":"2025-06-04T21:09:13Z","references":["https://osv.dev/vulnerability/GHSA-4v9v-hfq4-rm2v","https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-4v9v-hfq4-rm2v","https://nvd.nist.gov/vuln/detail/CVE-2025-30359","https://github.com/webpack/webpack-dev-server/commit/5c9378bb01276357d7af208a0856ca2163db188e","https://github.com/webpack/webpack-dev-server/commit/d2575ad8dfed9207ed810b5ea0ccf465115a2239","https://github.com/webpack/webpack-dev-server"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-4v9v-hfq4-rm2v","url":"https://osv.dev/vulnerability/GHSA-4v9v-hfq4-rm2v"}],"summary":"webpack-dev-server users' source code may be stolen when they access a malicious web site"}