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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Apple / iOS and iPadOS0 – 18.4
- Apple / macOS0 – 15.4
- Apple / Safari0 – 18.4
- Apple / visionOS0 – 2.4
References
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122371
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122373
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122378
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122379