{"id":"CVE-2017-7791","details":"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 from the iframe content. This vulnerability affects Thunderbird \u003c 52.3, Firefox ESR \u003c 52.3, and Firefox \u003c 55.","modified":"2026-04-16T06:15:33.803032675Z","published":"2018-06-11T21:29:09.407Z","related":["SUSE-SU-2017:2302-1","SUSE-SU-2017:2589-1","openSUSE-SU-2017:2209-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201803-14"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3968"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3928"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-18/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-19/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-20/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100240"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039124"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2456"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2534"},{"type":"FIX","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1365875"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7791.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"fixed":"52.3.0"}]},{"events":[{"introduced":"0"},{"fixed":"55.0"}]},{"events":[{"introduced":"0"},{"fixed":"52.3.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}