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CVE-2023-5729

Medium

Description

A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMozilla Firefox
PublishedOct 25, 2023
First seenOct 25, 2023

How to fix

Update
  • mozilla firefox119.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 119.0119.0

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