CVE-2009-3437: Henriksjokvist Markdown Preview

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."

Affected products

• Henriksjokvist Markdown Preview: version 6.x only

Published 2009-09-28. Last modified 2026-06-16.