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prionPRIOn knowledge basePRION:CVE-2020-35111
HistoryJan 07, 2021 - 2:15 p.m.

Design/Logic Flaw

2021-01-0714:15:00
PRIOn knowledge base
www.prio-n.com
8

5 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

42.3%

When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.