CVE-2019-11762
If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Date published : 2020-01-08 https://bugzilla.mozilla.org/show_bug.cgi?id=1582857