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CVE-2023-5729 A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt

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.

Affected products and versions

Product Affected versions Fixed in
Firefox 119 earliest → < 119 119
The 2221 CVEs of Firefox →
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