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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2025-54880

Mermaid does not properly sanitize architecture diagram iconText leading to XSS

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 11.9.0 and earlier, user supplied input for architecture diagram icons is passed to the d3 html() method, creating a sink for cross site scripting. This vulnerability is fixed in 11.10.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

mermaid-js mermaid

  • >= 11.1.0, < 11.10.0affected

References