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Servers and applications

CVE-2025-64495

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. In versions 0.6.34 and below, the functionality that inserts custom prompts into the chat window is vulnerable to DOM XSS when 'Insert Prompt as Rich Text' is enabled, since the prompt body is assigned to the DOM sink .innerHtml without sanitisation. Any user with permissions to create prompts can…

Severity
Medium 5.4
Published
8 Nov 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
0.6.35
Sources
NVD

Affected software

SoftwareAffected versions
Open WebUIServers and applications · cpe:a:openwebui:open_webui
  • Every version before 0.6.35

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-64495
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-64495