CVE-2021-29975

Medium

Description

Through a series of DOM manipulations, a message, over which the attacker had control of the text but not HTML or formatting, could be overlaid on top of another domain (with the new domain correctly shown in the address bar) resulting in possible user confusion. This vulnerability affects Firefox < 90.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Mozilla Firefox

PublishedAug 5, 2021

First seenAug 5, 2021

How to fix

Update

mozilla firefox90.0 or later

Vendor advisories

security.gentoo.org/glsa/202202-03

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v < 90.0	90.0

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