CVE-2025-31266

MEDIUM

Safari < 18.5 and macOS < 15.5 - Domain Spoofing via Pop-up Window Title

Title source: llm

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.

References (2)

Core 2

Core References

Release Notes, Vendor Advisory

https://support.apple.com/en-us/122716

Release Notes, Vendor Advisory

https://support.apple.com/en-us/122719

Scores

CVSS v3 4.3

EPSS 0.0019

EPSS Percentile 8.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-451

Status published

Products (4)

apple/macos < 15.5

Apple/macOS < 15.5

apple/safari < 18.5

Apple/Safari < 18.5

Published Nov 21, 2025

Tracked Since Feb 18, 2026