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prionPRIOn knowledge basePRION:CVE-2022-40959
HistoryDec 22, 2022 - 8:15 p.m.

Design/Logic Flaw

2022-12-2220:15:00
PRIOn knowledge base
www.prio-n.com
7
securityflaw
iframenavigation
featurepolicy
devicepermissions
firefox
thunderbird
vulnerability

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.1%

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.