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CVE-2023-5729

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.

POC

Reference

- https://bugzilla.mozilla.org/show_bug.cgi?id=1823720

Github

No PoCs found on GitHub currently.