CVE-2021-39910

    Dashboard / Vulnerabilities / CVE-2021-39910

    CVE-2021-39910

    Published: 13 Dec 2021Last Modified: 27 Aug 2026

    Summary:

    Details: An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab was vulnerable to HTML Injection through the Swagger UI feature.

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39910.json, https://gitlab.com/gitlab-org/gitlab/-/issues/325901, https://hackerone.com/reports/1133656

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 11ac4a9aa216b39b2880f8a647f39f6ea77cef1a
    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-2021-39910 | CVE-DB