CVE-2025-30466: Apple iPadOS

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Apple iPadOS: before 18.4 (fixed in 18.4)
• Apple iPhone OS: before 18.4 (fixed in 18.4)
• Apple macOS: before 15.4 (fixed in 15.4)
• Apple Safari: before 18.4 (fixed in 18.4)
• Apple visionOS: before 2.4 (fixed in 2.4)

Published 2025-05-29. Last modified 2026-06-17.