{"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_01M5NF1BY4NEZ30TZQJGSV4217","modified_at":"2026-09-11T11:02:45.013430056Z","published_at":"2020-12-18T08:15:15.060Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-35474","https://security-tracker.debian.org/tracker/CVE-2020-35474"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-35474","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-35474"}],"summary":"In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that th"}