{"action":"Upgrade nextcloud-desktop to 3.0.1-1 or later.","affected":[{"fixed":"3.0.1-1","introduced":"0"}],"component":"nextcloud-desktop","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.0.1-1"],"id":"tcs_01M5NF8GQP035H1625FPQBDF7B","modified_at":"2026-09-11T11:02:40.130286141Z","published_at":"2020-08-21T21:15:11.887Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-8189","https://security-tracker.debian.org/tracker/CVE-2020-8189"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-8189#Debian:14/nextcloud-desktop","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-8189"}],"summary":"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."}