CVE-2007-5596: Drupal

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

The core Upload module in Drupal 4.7.x before 4.7.8 and 5.x before 5.3 places the .html extension on a whitelist, which allows remote attackers to conduct cross-site scripting (XSS) attacks by uploading .html files.

Affected products

• Drupal Drupal: from 4.7.0, before 4.7.8 (fixed in 4.7.8); from 5.0, before 5.3 (fixed in 5.3)

Published 2007-10-19. Last modified 2026-06-16.