CVE-2019-18856: Drupal Svg Sanitizer

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A Denial Of Service vulnerability exists in the SVG Sanitizer module through 8.x-1.0-alpha1 for Drupal because access to external resources with an SVG use element is mishandled.

Affected products

• Drupal Svg Sanitizer: up to and including 7.x-1.5; version 8.x-1.0 only

Published 2019-11-11. Last modified 2026-06-17.