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CVE-2025-54881

Mermaid improperly sanitizes of sequence diagram labels leading to XSS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
mermaid-js / mermaidaffected >= 10.9.0-rc.1, <= 11.9.0

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.