{"id":"PYSEC-2026-821","summary":"OpenStack Horizon Cross-site Scripting (XSS)","details":"OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.","aliases":["CVE-2017-7400","GHSA-47vp-44v9-rhgq"],"modified":"2026-07-07T11:46:03.571983814Z","published":"2026-07-06T08:03:24.141443Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7400"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2017:1598"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2017:1739"},{"type":"WEB","url":"https://launchpad.net/bugs/1667086"},{"type":"WEB","url":"https://opendev.org/openstack/horizon/commit/1407cfe53144146b29679de21f28c952282043ae"},{"type":"WEB","url":"https://opendev.org/openstack/horizon/commit/511b325b45b6bd7a88bb6df1a4639b80d0121277"},{"type":"WEB","url":"https://opendev.org/openstack/horizon/commit/a835dbfbaa2c70329c08d4b8429d49315dc6d651"},{"type":"WEB","url":"https://opendev.org/openstack/horizon/commit/ce80bb6fec3cb0262728e7ae8b9d695cf832e5bf"},{"type":"WEB","url":"http://www.securityfocus.com/bid/97324"},{"type":"PACKAGE","url":"https://pypi.org/project/horizon"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-47vp-44v9-rhgq"}],"affected":[{"package":{"name":"horizon","ecosystem":"PyPI","purl":"pkg:pypi/horizon"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0"},{"fixed":"9.1.2"},{"introduced":"10.0"},{"fixed":"10.0.3"},{"introduced":"11.0.0"},{"fixed":"11.0.1"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/horizon/PYSEC-2026-821.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"}]}