Same Origin Policy Bypass Vulnerability in Apple Safari and Related Platforms
CVE-2025-30466

9.8CRITICAL

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
Visionos
Safari
Vendor
CVE Published:
29 May 2025

What is CVE-2025-30466?

A vulnerability in Apple Safari and its associated platforms could allow malicious websites to bypass the Same Origin Policy, potentially compromising user data and security. This issue was remediated through enhanced state management mechanisms in the latest versions of Safari and other affected Apple operating systems, ensuring improved protection against unauthorized access to user information.

Affected Version(s)

iOS and iPadOS < 18.4

macOS < 15.4

Safari < 18.4

References

https://support.apple.com/en-us/122371
https://support.apple.com/en-us/122373
https://support.apple.com/en-us/122378

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-30466 : Same Origin Policy Bypass Vulnerability in Apple Safari and Related Platforms