Vulnerability library
Security checkDecember 05, 2025

Open WebUI Vulnerable to Stored DOM XSS via Note 'Download PDF

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High severitynpmopen-webui

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Description

A Stored XSS vulnerability has been discovered in Open-WebUI’s Notes PDF download functionality. An attacker can import a Markdown file containing malicious SVG tags into Notes, allowing them to execute arbitrary JavaScript code and steal session tokens when a victim downloads the note as PDF.

Recommendation

Update the open-webui package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 0.6.36
  • Patched version(s): 0.6.37

References

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Related Issues

See something that needs correcting? Let us knowUpdated December 05, 2025