CVE-2023-3973: Diagrams Drawio

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.

Affected products

• Diagrams Drawio: before 21.6.3 (fixed in 21.6.3)

Published 2023-07-27. Last modified 2026-06-17.