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prionPRIOn knowledge basePRION:CVE-2021-43540
HistoryDec 08, 2021 - 10:15 p.m.

Code injection

2021-12-0822:15:00
PRIOn knowledge base
www.prio-n.com
7

6.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.2%

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

CPENameOperatorVersion
firefoxlt95.0

6.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.2%