CVE-2023-5556: Structurizr On-Premises Installation

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

Cross-site Scripting (XSS) - Reflected in GitHub repository structurizr/onpremises prior to 3194.

Affected products

• Structurizr On-Premises Installation: before 3194 (fixed in 3194)

Published 2023-10-12. Last modified 2026-06-17.