CVE-2025-43480

HIGH

Safari < 26.1 - Cross-Origin Data Exfiltration via Permissive Security Policy

Title source: llm
STIX 2.1

Description

The issue was addressed with improved checks. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious website may exfiltrate data cross-origin.

References (6)

Core 6
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125632
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125637
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125638
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125639
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125640

Scores

CVSS v3 8.1
EPSS 0.0042
EPSS Percentile 33.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-942
Status published
Products (12)
Apple/iOS and iPadOS < 26.1
apple/ipados < 26.1
apple/iphone_os < 26.1
Apple/macOS < 26.1
apple/safari < 26.1
Apple/Safari < 26.1
apple/tvos < 26.1
Apple/tvOS < 26.1
apple/visionos < 26.1
Apple/visionOS < 26.1
... and 2 more
Published Nov 04, 2025
Tracked Since Feb 18, 2026