CVE-2025-30466

Critical

Description

This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4. A website may be able to bypass Same Origin Policy.

SeverityCritical
CVSS9.8
Exploit probability—
ProductApple Safari
PublishedMay 29, 2025
First seenMay 29, 2025
Weakness typeCWE-346CWE-346

How to fix

Update
  • apple safari18.4 or later
  • apple ipados18.4 or later
  • apple iphone_os18.4 or later
  • apple macos15.4 or later
  • apple visionos2.4 or later

Affected products

ProductAffected versionsFixed in
apple safariv < 18.418.4
apple ipadosv < 18.418.4
apple iphone_osv < 18.418.4
apple macosv < 15.415.4
apple visionosv < 2.42.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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