UBUNTU-CVE-2021-41164

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    UBUNTU-CVE-2021-41164

    Published: 17 Nov 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-41164

    Summary:

    Details: CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.

    References: https://ubuntu.com/security/CVE-2021-41164, https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj, https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj, https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417, https://www.drupal.org/sa-core-2021-011, https://www.cve.org/CVERecord?id=CVE-2021-41164

    Affected packages

    Package

    Name: ckeditor

    Purl: pkg:deb/ubuntu/ckeditor?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.4.4+dfsg1-3

    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-2021-41164 | CVE-DB