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Open WebUI: Stored XSS in Mermaid Markdown Preview

🗓️ 13 Jul 2026 15:46:19Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 3 Views

Stored XSS in Open WebUI Mermaid Markdown preview via loose security level; enables JavaScript execution.

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13 Jul 2026 16:05Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.4 - 8.7
EPSS0.002
SSVC
3