GHSA-v82v-c5x8-w282
Medium · 6.1CVSS
6.1
EPSS
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Published
Feb 5, 2026
CISA due date
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The record
NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| PyPI | nicegui | 0 | 3.7.0 |
Related vulnerabilities
- CVE-2026-25516 NiceGUI is a Python-based UI framework. Same vulnerability
- GHSA-78qv-3mpx-9cqq NiceGUI vulnerable to XSS via Code Injection during client-side element function execution Also affects nicegui
- CVE-2026-27156 NiceGUI is a Python-based UI framework. Also affects nicegui
- CVE-2026-25732 NiceGUI is a Python-based UI framework. Also affects nicegui
- GHSA-9ffm-fxg3-xrhh NiceGUI's Path Traversal via Unsanitized FileUpload.name Enables Arbitrary File Write Also affects nicegui
- GHSA-mp55-g7pj-rvm2 NiceGUI has Redis connection leak via tab storage causes service degradation Also affects nicegui
- GHSA-mhpg-c27v-6mxr NiceGUI apps which use `ui.sub_pages` vulnerable to zero-click XSS Also affects nicegui
- GHSA-m7j5-rq9j-6jj9 NiceGUI apps are vulnerable to XSS which uses `ui.sub_pages` and render arbitrary… Also affects nicegui