By tricking the browser with a X-Frame-Options header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
127127115.12127115.12115.12Exploitability
AV:NAC:LPR:NUI:RScope
S:CImpact
C:NI:LA:N4.7/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N