{"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:12","exploited":false,"fixed_versions":["1:1.35.1-1"],"id":"tcs_01M5NF1D8MW35EXJFD2YGC8QR3","modified_at":"2026-09-11T11:02:45.004828850Z","published_at":"2020-12-18T08:15:15.357Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-35479","https://security-tracker.debian.org/tracker/CVE-2020-35479"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-35479","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-35479"}],"summary":"MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always"}