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CVE-2025-43480

Good to know:

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Date: November 3, 2025

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

Severity Score

Related Resources (7)

https://support.apple.com/en-us/125632
https://nvd.nist.gov/vuln/detail/CVE-2025-43480
https://support.apple.com/en-us/125640
https://support.apple.com/en-us/125638
https://support.apple.com/en-us/125639
https://support.apple.com/en-us/125637
https://www.mend.io/vulnerability-database/CVE-2025-43480

Severity Score

Weakness Type (CWE)

Permissive Cross-domain Security Policy with Untrusted Domains

CWE-942

Top Fix

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Upgrade Version

Upgrade to version https://github.com/WebKit/WebKit.git - webkitgtk-2.45.6;https://github.com/WebKit/WebKit.git - wpewebkit-2.45.90

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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