{"id":"CVE-2023-6206","details":"The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox \u003c 120, Firefox ESR \u003c 115.5.0, and Thunderbird \u003c 115.5.","modified":"2026-04-16T00:07:25.693510673Z","published":"2023-11-21T15:15:07.787Z","related":["ALSA-2023:7500","ALSA-2023:7501","ALSA-2023:7507","ALSA-2023:7508","SUSE-SU-2023:4588-1","SUSE-SU-2023:4912-1","SUSE-SU-2023:4928-1","SUSE-SU-2023:4929-1","openSUSE-SU-2024:13459-1","openSUSE-SU-2024:13468-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-52/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5561"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-49/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-50/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1857430"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6206.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"120.0"}]},{"events":[{"introduced":"0"},{"fixed":"115.5.0"}]},{"events":[{"introduced":"0"},{"fixed":"115.5"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"}]}