CVE-2023-3500

    Dashboard / Vulnerabilities / CVE-2023-3500

    CVE-2023-3500

    Published: 2 Aug 2023Last Modified: 11 Sept 2026

    Summary: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

    Details: An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A reflected XSS was possible when creating specific PlantUML diagrams that allowed the attacker to perform arbitrary actions on behalf of victims.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3500.json, https://nvd.nist.gov/vuln/detail/CVE-2023-3500, https://gitlab.com/gitlab-org/gitlab/-/issues/416902, https://hackerone.com/reports/2010926, git://[email protected]:gitlab-org/gitlab.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 235b8d50ad14e7cdf4bc61c3df070f38dee97974
    Fixed -b989ef135498a860c86648c76637bb14442da7c5

    Affected versions

    v16.2.1-ee
    v16.2.0-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-2023-3500 | CVE-DB