CVE-2022-1231: Fedoraproject Fedora

Medium severity, CVSS 6.1. EPSS: 2% chance of exploitation in the next 30 days.

XSS via Embedded SVG in SVG Diagram Format in GitHub repository plantuml/plantuml prior to 1.2022.4. Stored XSS in the context of the diagram embedder. Depending on the actual context, this ranges from stealing secrets to account hijacking or even to code execution for example in desktop applications. Web based applications are the ones most affected. Since the SVG format allows clickable links in diagrams, it is commonly used in plugins for web based projects (like the Confluence plugin, etc. see https://plantuml.com/de/running).

Affected products

• Fedoraproject Fedora: version 35 only; version 36 only
• Plantuml Plantuml: before 1.2022.4 (fixed in 1.2022.4)

Published 2022-04-15. Last modified 2026-06-17.