CVE-2025-30466
CRITICALSafari < 18.4 - Same Origin Policy Bypass via State Management Issue
Title source: llmDescription
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.
References (4)
Core 4
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/122371
Release Notes, Vendor Advisory
https://support.apple.com/en-us/122373
Release Notes, Vendor Advisory
https://support.apple.com/en-us/122378
Release Notes, Vendor Advisory
https://support.apple.com/en-us/122379
Scores
CVSS v3
9.8
EPSS
0.0026
EPSS Percentile
16.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-346
Status
published
Products (9)
Apple/iOS and iPadOS
< 18.4
apple/ipados
< 18.4
apple/iphone_os
< 18.4
apple/macos
< 15.4
Apple/macOS
< 15.4
apple/safari
< 18.4
Apple/Safari
< 18.4
apple/visionos
< 2.4
Apple/visionOS
< 2.4
Published
May 29, 2025
Tracked Since
Feb 18, 2026