CVE-2018-12397

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    CVE-2018-12397

    Published: 28 Feb 2019Last Modified: 16 Apr 2026

    Summary:

    Details: A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

    References: https://security.gentoo.org/glsa/201811-04, https://usn.ubuntu.com/3801-1/, http://www.securityfocus.com/bid/105718, https://access.redhat.com/errata/RHSA-2018:3006, https://www.debian.org/security/2018/dsa-4324, https://www.mozilla.org/security/advisories/mfsa2018-26/, https://www.mozilla.org/security/advisories/mfsa2018-27/, http://www.securitytracker.com/id/1041944, https://access.redhat.com/errata/RHSA-2018:3005, https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html, https://bugzilla.mozilla.org/show_bug.cgi?id=1487478

    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
    CVE-2018-12397 | CVE-DB