CVE-2016-2817

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    CVE-2016-2817

    Published: 30 Apr 2016Last Modified: 10 Mar 2026

    Summary:

    Details: The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance during chrome.tabs.create and chrome.tabs.update API calls, which allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted extension that accesses a (1) javascript: or (2) data: URL.

    References: http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html, , http://www.securitytracker.com/id/1035692, http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html, http://www.ubuntu.com/usn/USN-2936-1, http://www.ubuntu.com/usn/USN-2936-3, https://security.gentoo.org/glsa/201701-15, http://www.mozilla.org/security/announce/2016/mfsa2016-46.html, http://www.ubuntu.com/usn/USN-2936-2, https://bugzilla.mozilla.org/show_bug.cgi?id=1227462

    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