VULNERABILITY INTELLIGENCE
CVE-2025-54881
EPSS probability0.80%
CISA KEVNot currently listed
Published2025-08-19
Last modified2026-06-17
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. In the default configuration of mermaid 10.9.0-rc.1 to 11.9.0, user supplied input for sequence diagram labels is passed to innerHTML during calculation of element size, causing XSS.
Weakness classification
- security-advisories@github.com: CWE-79