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    CVE-2020-12404

    For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS < 26.

    Published:Jul 9, 2020
    Last Modified:Aug 19, 2026
    EPS:Jul 9, 2020
    EPSS Score:0.00784
    CVSS Score:4.3

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox Mobile

    Exploits

    No exploit reference

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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