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    CVE-2026-81267

    A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.

    Published:Aug 31, 2026
    Last Modified:Sep 3, 2026
    EPS:Aug 31, 2026
    EPSS Score:0.00217
    CVSS Score:5.4

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox For Ios
    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