{"id":"UBUNTU-CVE-2020-8189","details":"A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.","modified":"2026-04-22T12:44:24.418944Z","published":"2020-08-21T21:15:00Z","upstream":["CVE-2020-8189"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8189"},{"type":"REPORT","url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"},{"type":"REPORT","url":"https://hackerone.com/reports/685552"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8189"}],"affected":[{"package":{"name":"nextcloud-desktop","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nextcloud-desktop@2.6.2-1build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.3-1","2.6.0-1","2.6.1-1","2.6.1-2","2.6.2-1","2.6.2-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"caja-nextcloud","binary_version":"2.6.2-1build1"},{"binary_name":"dolphin-nextcloud","binary_version":"2.6.2-1build1"},{"binary_name":"libnextcloudsync0","binary_version":"2.6.2-1build1"},{"binary_name":"nautilus-nextcloud","binary_version":"2.6.2-1build1"},{"binary_name":"nemo-nextcloud","binary_version":"2.6.2-1build1"},{"binary_name":"nextcloud-desktop","binary_version":"2.6.2-1build1"},{"binary_name":"nextcloud-desktop-cmd","binary_version":"2.6.2-1build1"},{"binary_name":"nextcloud-desktop-common","binary_version":"2.6.2-1build1"},{"binary_name":"nextcloud-desktop-l10n","binary_version":"2.6.2-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8189.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"low"}]}