CVE-2017-7791

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    CVE-2017-7791

    Published: 11 Jun 2018Last Modified: 16 Apr 2026

    Summary:

    Details: On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

    References: https://security.gentoo.org/glsa/201803-14, https://www.debian.org/security/2017/dsa-3968, https://www.debian.org/security/2017/dsa-3928, https://www.mozilla.org/security/advisories/mfsa2017-18/, https://www.mozilla.org/security/advisories/mfsa2017-19/, https://www.mozilla.org/security/advisories/mfsa2017-20/, http://www.securityfocus.com/bid/100240, http://www.securitytracker.com/id/1039124, https://access.redhat.com/errata/RHSA-2017:2456, https://access.redhat.com/errata/RHSA-2017:2534, https://bugzilla.mozilla.org/show_bug.cgi?id=1365875

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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