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prionPRIOn knowledge basePRION:CVE-2018-12396
HistoryFeb 28, 2019 - 6:29 p.m.

Privilege escalation

2019-02-2818:29:00
PRIOn knowledge base
www.prio-n.com
8

AI Score

7.1

Confidence

High

EPSS

0.031

Percentile

91.2%

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.