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CVE-2021-43861

HIGH CVSS: 7.2 Published: 2021-12-30 Modified: 2026-06-17

Description

Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers' machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.

Affected Platforms

Mermaid Project Mermaid

Weakness Type

CWE-20, CWE-79, NVD-CWE-Other

References