{"action":"Upgrade mediawiki to 1:1.43.3+dfsg-1 or later.","affected":[{"fixed":"1:1.43.3+dfsg-1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:1.43.3+dfsg-1"],"id":"tcs_01M5NP6NHPHAK9VZ7PBQ2RQKGN","modified_at":"2026-09-01T20:05:55.988315714Z","published_at":"2026-02-02T23:16:01.503Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-6590","https://security-tracker.debian.org/tracker/CVE-2025-6590"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-6590#Debian:13/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-6590"}],"summary":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextFie"}