{"id":"CVE-2018-14655","details":"A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.","aliases":["GHSA-458h-wv48-fq75"],"modified":"2026-08-11T11:39:13.865372783Z","published":"2018-11-13T19:29:00.307Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.2"},{"last_affected":"7.2"},{"introduced":"7.2"},{"last_affected":"7.2"}],"source":"CPE_STRING","vendor_product":"redhat:single_sign-on"}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3592"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3593"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3595"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/keycloak/keycloak","events":[{"introduced":"517588ecca8e8749c70c7a28706fc405623617d3"},{"last_affected":"b2269bd74dab4f95cc25c413fb7b06aa2bd678c3"}],"database_specific":{"cpe":["cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*","cpe:2.3:a:redhat:keycloak:4.0.0:beta2:*:*:*:*:*:*","cpe:2.3:a:redhat:keycloak:4.3.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.4.3"},{"last_affected":"3.4.3"},{"introduced":"4.0.0-beta2"},{"last_affected":"4.0.0-beta2"},{"introduced":"4.3.0"},{"last_affected":"4.3.0"}],"source":"CPE_STRING"}}],"versions":["3.4.3","4.0.0-beta2","4.3.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-14655.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}