{"action":"Upgrade mediawiki to 1:1.35.1-1 or later.","affected":[{"fixed":"1:1.35.1-1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:1.35.1-1"],"id":"tcs_01M5NF1CE9WWRKB0V8WM53CPNN","modified_at":"2026-09-11T11:02:45.036943346Z","published_at":"2020-12-18T08:15:15.137Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-35475","https://security-tracker.debian.org/tracker/CVE-2020-35475"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-35475#Debian:14/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-35475"}],"summary":"In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to cha"}