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CVE-2025-54880

Published: Aug 19, 2025

Modified: Aug 19, 2025

PUBLISHED

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.

Vendor	Product	Versions
mermaid-js	mermaid	affected `>= 11.1.0, < 11.10.0`

Weaknesses (CWE)

References

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

x_refsource_CONFIRM

https://github.com/mermaid-js/mermaid/commit/2aa83302795183ea5c65caec3da1edd6cb4791fc

x_refsource_MISC

https://github.com/mermaid-js/mermaid/commit/734bde38777c9190a5a72e96421c83424442d4e4

x_refsource_MISC

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