UpHeron
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Servers and applications

CVE-2023-3500

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.

Severity
Medium 6.1
Published
2 Aug 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
16.0.8, 16.1.3, 16.2.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 10.0 before 16.0.8
  • From 16.1 before 16.1.3
  • From 16.2 before 16.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3500
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3500