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GHSA-PWXH-7358-JQ2X Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

🗓️ 04 Aug 2026 20:54:17Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 9 Views

Authenticated users can store a message that renders a KaTeX error as HTML, enabling script execution.

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10 Aug 2026 11:40Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.18.7
EPSS0.00261
9