A website could have obscured the fullscreen notification by using a dropdown select input element. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8. CREATE(Triage):(User=admin) CVE-2024-1548 (https://nvd.nist.gov/vuln/detail/CVE-2024-1548)