NetSight
medium5.4

CVE-2023-6206

The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts.

Impact

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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Affected products

VendorProductAffected versions
MozillaFirefox
before 120.0
MozillaFirefox Esr
before 115.5.0
MozillaThunderbird
before 115.5
DebianDebian Linux
Versions 10.0, 11.0, 12.0

Weakness classification

References