UBUNTU-CVE-2020-6802

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    UBUNTU-CVE-2020-6802

    Published: 24 Mar 2020Last Modified: 9 Mar 2026
    Upstream:
    CVE-2020-6802
    Aliases:
    USN-8077-1

    Summary:

    Details: In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option.

    References: https://ubuntu.com/security/CVE-2020-6802, https://bugzilla.mozilla.org/show_bug.cgi?id=1615315, https://github.com/mozilla/bleach/security/advisories/GHSA-q65m-pv3f-wr5r, https://github.com/mozilla/bleach/commit/f77e0f6392177a06e46a49abd61a4d9f035e57fd, https://www.cve.org/CVERecord?id=CVE-2020-6802, https://ubuntu.com/security/notices/USN-8077-1

    Affected packages

    Package

    Name: python-bleach

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.2-1ubuntu0.1~esm1

    Affected versions

    2.0-1

    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-2020-6802 | CVE-DB