Lucene search
+L

showdown metadata title handling allows cross-site scripting

🗓️ 06 Jul 2026 21:30:43Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

Showdown metadata title handling enables cross-site scripting via unescaped angle brackets in metadata when completeHTMLDocument is enabled.

Related
Detection
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

07 Aug 2026 21:05Current
5.2Medium risk
Vulners AI Score5.2
CVSS 45.3
CVSS 3.16.1
EPSS0.00187
SSVC
5