Lucene search
K

Nextcloud: position: fixed !important bypasses CSS sanitizer's fixed-position mitigation, enabling full-viewport phishing overlays.

🗓️ 07 Mar 2026 11:44:25Reported by nullcathedralType 
hackerone
 hackerone
🔗 hackerone.com👁 6 Views

Roundcube CSS sanitizer bypasses fixed !important, enabling full-viewport phishing overlays.

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

20 Apr 2026 12:04Current
5.8Medium risk
Vulners AI Score5.8
6