CVE-2025-31266
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-21

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description
A spoofing issue was addressed with improved truncation when displaying the fully qualified domain name. This issue is fixed in Safari 18.5, macOS Sequoia 15.5. A website may be able to spoof the domain name in the title of a pop-up window.
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Meta Information
Published
2025-11-21
Last Modified
2026-04-02
Generated
2026-06-16
AI Q&A
2025-11-22
EPSS Evaluated
2026-06-14
NVD
CVE-2025-31266
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
apple safari to 18.5 (exc)
apple macos to 15.5 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-451 The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.
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Executive Summary

This vulnerability is a spoofing issue where a website may be able to spoof the domain name in the title of a pop-up window by exploiting improper truncation when displaying the fully qualified domain name. It was addressed by improving the truncation method.

Impact Analysis

This vulnerability can impact you by allowing a malicious website to spoof the domain name in a pop-up window's title, potentially misleading you into trusting a fraudulent site or action, which could lead to phishing or other social engineering attacks.

Mitigation Strategies

Update Safari to version 18.5 and macOS Sequoia to version 15.5 to apply the fix that addresses the spoofing issue.

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