{"id":"CVE-2020-15654","details":"When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. This vulnerability affects Firefox ESR \u003c 78.1, Firefox \u003c 79, and Thunderbird \u003c 78.1.","modified":"2026-05-04T08:29:06.561771Z","published":"2020-08-10T18:15:12.437Z","withdrawn":"2026-05-04T08:29:06.561771Z","related":["SUSE-SU-2020:14456-1","SUSE-SU-2020:2100-1","SUSE-SU-2020:2118-1","SUSE-SU-2020:2147-1","openSUSE-SU-2020:1147-1","openSUSE-SU-2020:1155-1","openSUSE-SU-2020:1189-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-32/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-33/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4443-1/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-30/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1648333"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"79.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.1"}]},{"events":[{"introduced":"0"},{"fixed":"78.1"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15654.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}