Is @excalidraw/mermaid-to-excalidraw affected by GHSA-39h7-pwv7-rc3x#@excalidraw/mermaid-to-excalidraw?

npm @excalidraw/mermaid-to-excalidraw is affected in >=0.3.0 <1.1.3.

Is GHSA-39h7-pwv7-rc3x#@excalidraw/mermaid-to-excalidraw being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

medium

GHSA-39h7-pwv7-rc3x#@excalidraw/mermaid-to-excalidraw

Q: Is GHSA-39h7-pwv7-rc3x#@excalidraw/mermaid-to-excalidraw being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

npm · @excalidraw/mermaid-to-excalidraw

Summary

Excalidraw vulnerable to XSS via Mermaid sequence diagram labels (KaTeX rendering)

Severity: medium
Published: 2026-04-24

References

https://github.com/excalidraw/excalidraw/security/advisories/GHSA-39h7-pwv7-rc3x
https://github.com/mermaid-js/mermaid/security/advisories/GHSA-7rqq-prvp-x9jh
https://github.com/excalidraw/excalidraw

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.