CVE-2020-12394

LOW

Firefox < 76.0 - Location Bar Spoofing via Origin Selection and Focus Removal

Title source: llm
STIX 2.1

Description

A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.

References (3)

Core 3
Core References
Issue Tracking, Permissions Required x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1628288
Third Party Advisory x_refsource_misc
https://security.gentoo.org/glsa/202005-04

Scores

CVSS v3 3.3
EPSS 0.0015
EPSS Percentile 35.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

Status published
Products (1)
mozilla/firefox < 76.0
Published May 26, 2020
Tracked Since Feb 18, 2026