URL Spoofing Vulnerability in Firefox for iOS by Mozilla

CVE-2025-5020

What is CVE-2025-5020?

A URL spoofing vulnerability in Firefox for iOS allows attackers to exploit maliciously crafted URLs opened from other applications, like Safari. This could lead to the misleading presentation of website addresses, potentially deceiving users about the legitimacy of the site they are accessing. The issue primarily arises from non-HTTP schemes used internally by the Firefox iOS client, affecting versions prior to 139.

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