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prionPRIOn knowledge basePRION:CVE-2023-6206
HistoryNov 21, 2023 - 3:15 p.m.

Code injection

2023-11-2115:15:00
PRIOn knowledge base
www.prio-n.com
4
code injection
firefox
thunderbird
clickjacking vulnerability
surprising users
permission prompts

6.1 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

32.7%

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.