Lucene search
K

CVE-2026-21872 NiceGUI apps are vulnerable to XSS which uses `ui.sub_pages` and render arbitrary user-provided links

🗓️ 08 Jan 2026 09:50:02Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

CVE-2026-21872 enables XSS via an unsafe click listener in ui.sub_pages with attacker links; fixed in 3.5.0.

Related
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

10 Apr 2026 05:38Current
6Medium risk
Vulners AI Score6
CVSS 3.16.1
EPSS0.00238
2