CVE-2025-54880

Summary

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 Software

Weaknesses

• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pw

References

• https://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pw
• https://github.com/mermaid-js/mermaid/commit/2aa83302795183ea5c65caec3da1edd6cb4791fc
• https://github.com/mermaid-js/mermaid/commit/734bde38777c9190a5a72e96421c83424442d4e4

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