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CVE-2023-3500

CVE-2023-3500 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 4.8 · Medium · EPSS 0.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 10.0, < 16.0.8: Affected (semver)
    • ≥ 16.1, < 16.1.3: Affected (semver)
    • ≥ 16.2, < 16.2.2: Affected (semver)

    Update to 16.0.8; Update to 16.1.3; Update to 16.2.2

  • gitlab Ubuntu:16.04:LTS

    Versions
    • 8.4.3+dfsg-9
    • 8.4.3+dfsg-12
    • 8.5.8+dfsg-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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