CVE-2018-5135

    Dashboard / Vulnerabilities / CVE-2018-5135

    CVE-2018-5135

    Published: 11 Jun 2018Last Modified: 10 Mar 2026

    Summary:

    Details: WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.

    References: , https://usn.ubuntu.com/3596-1/, https://www.mozilla.org/security/advisories/mfsa2018-06/, http://www.securityfocus.com/bid/103386, http://www.securitytracker.com/id/1040514, https://bugzilla.mozilla.org/show_bug.cgi?id=1431371

    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