Vulnerability library
Security checkJune 09, 2026

md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

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High severitynpmmd-fileserver

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Description

A cross-site scripting (XSS) vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including

Recommendation

Update the md-fileserver package to the latest compatible version. Followings are version details:

  • Affected version(s): < 1.10.3
  • Patched version(s): 1.10.3

References

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Related Issues

See something that needs correcting? Let us knowUpdated June 09, 2026