UBUNTU-CVE-2021-45087

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    UBUNTU-CVE-2021-45087

    Published: 16 Dec 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-45087
    Aliases:
    USN-5561-1

    Summary:

    Details: XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.

    References: https://ubuntu.com/security/CVE-2021-45087, https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045, https://ubuntu.com/security/notices/USN-5561-1, https://www.cve.org/CVERecord?id=CVE-2021-45087

    Affected packages

    Package

    Name: epiphany-browser

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.16.3-1ubuntu1

    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
    UBUNTU-CVE-2021-45087 | CVE-DB