{"id":"CVE-2014-6393","details":"The Express web framework before 3.11 and 4.x before 4.5 for Node.js does not provide a charset field in HTTP Content-Type headers in 400 level responses, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via characters in a non-standard encoding.","aliases":["GHSA-gpvr-g6gh-9mc2"],"modified":"2026-01-27T04:13:17.362580Z","published":"2017-08-09T18:29:00Z","withdrawn":"2026-01-27T04:13:17.362580Z","references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1203190"},{"type":"ADVISORY","url":"https://nodesecurity.io/advisories/express-no-charset-in-content-type-header"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}