CVE-2023-6867

The timing of a button click causing a popup to disappear was approximately the same length as 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 vulnerabili...

Mozilla: Clickjacking permission prompts using the fullscreen transition

The Mozilla Foundation Security Advisory describes this flaw as: 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 butto...