{"id":"UBUNTU-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.","modified":"2025-09-08T16:43:13Z","published":"2017-08-09T18:29:00Z","upstream":["CVE-2014-6393"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-6393"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-6393"}],"affected":[{"package":{"name":"node-express","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/node-express@4.1.1~dfsg-1ubuntu0.16.04.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.1~dfsg-1","4.1.1~dfsg-1ubuntu0.16.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.1~dfsg-1ubuntu0.16.04.1~esm1","binary_name":"node-express"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-6393.json"}},{"package":{"name":"node-express","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/node-express@4.1.1~dfsg-1ubuntu0.18.04.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.1~dfsg-1","4.1.1~dfsg-1ubuntu0.18.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.1~dfsg-1ubuntu0.18.04.1~esm1","binary_name":"node-express"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-6393.json"}}],"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"},{"type":"Ubuntu","score":"medium"}]}