{"action":"Upgrade firefox-esr to 52.3.0esr-1 or later.","affected":[{"fixed":"52.3.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["52.3.0esr-1"],"id":"tcs_01M5NCN3XGVY30RADPEMK49186","modified_at":"2026-09-01T20:02:42.519330756Z","published_at":"2018-06-11T21:29:09.407Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7791","https://security-tracker.debian.org/tracker/CVE-2017-7791"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7791#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7791"}],"summary":"On pages containing an iframe, the \"data:\" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert fro"}