CVE-2021-39946

    Dashboard / Vulnerabilities / CVE-2021-39946

    CVE-2021-39946

    Published: 18 Jan 2022Last Modified: 27 Aug 2026

    Summary:

    Details: Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json, https://gitlab.com/gitlab-org/gitlab/-/issues/345657, https://hackerone.com/reports/1398305

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- dec73e99fddac59c0bf816dc4bffd2a30abae6de
    Fixed -057790c613dea428aa523357c333ced5433794ee

    Affected versions

    v14.5.1-ee
    v14.5.0-ee

    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
    CVE-2021-39946 | CVE-DB