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    CVE-2025-55031

    Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account. This vulnerability was fixed in Firefox for iOS 142 and Focus for iOS 142.

    Published:Aug 19, 2025
    Last Modified:Apr 20, 2026
    EPS:Aug 19, 2025
    EPSS Score:0.00088
    CVSS Score:9.8

    Affected Products

    Vendor
    Apple
    Product
    Ios
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Focus
    Vendor
    Mozilla
    Product
    Firefox For Ios
    Vendor
    Mozilla
    Product
    Focus For Ios

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High