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Vulnerability details: VCID-c5nv-tjhp-5yc8
Vulnerability ID VCID-c5nv-tjhp-5yc8
Aliases CVE-2023-5729
Summary 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2023-5729
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-45
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2023-5729
mfsa2023-45 https://www.mozilla.org/en-US/security/advisories/mfsa2023-45
USN-6456-1 https://usn.ubuntu.com/6456-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.36934
EPSS Score 0.00163
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:26:16.690930+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-45.yml 38.6.0