The issue was addressed with improved input validation. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, watchOS 11.4. A malicious website may be able to claim WebAuthn credentials from another website that shares a registrable suffix.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Authenticationservices | — | Upgrade macOS to the latest version | Apr 8, 2025 | Mar 31, 2025 |
| Apple Safari | — | Upgrade to Apple Safari version 18.4Uninstall Apple Safari on Windows | Apr 1, 2025 | Apr 1, 2025 |
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