The issue was addressed with improved UI. This issue is fixed in macOS Sequoia 15.3, Safari 18.3, iOS 18.3 and iPadOS 18.3, visionOS 2.3. Visiting a malicious website may lead to user interface spoofing.
https://support.apple.com/en-us/122074
https://support.apple.com/en-us/122073
https://support.apple.com/en-us/122068
https://support.apple.com/en-us/122066
http://seclists.org/fulldisclosure/2025/Jan/20
http://seclists.org/fulldisclosure/2025/Jan/15
http://seclists.org/fulldisclosure/2025/Jan/13
http://seclists.org/fulldisclosure/2025/Jan/12
http://seclists.org/fulldisclosure/2025/Apr/8
http://seclists.org/fulldisclosure/2025/Apr/5
http://seclists.org/fulldisclosure/2025/Apr/4
http://seclists.org/fulldisclosure/2025/Apr/2