SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2025-30466

A website may be able to bypass Same Origin Policy.

CRITICAL 9.8EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.30% probability · 23th percentile
CISA KEV
Not listed
Weakness
CWE-346
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/visionos
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.