CVE-2019-10909: Drupal

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. This is related to symfony/framework-bundle.

Affected products

• Drupal Drupal: from 8.5.0, before 8.5.15 (fixed in 8.5.15); from 8.6.0, before 8.6.15 (fixed in 8.6.15)
• Sensiolabs Symfony: from 2.7.0, before 2.7.51 (fixed in 2.7.51); from 2.8.0, before 2.8.50 (fixed in 2.8.50); from 3.4.0, before 3.4.26 (fixed in 3.4.26); from 4.1.0, before 4.1.12 (fixed in 4.1.12); from 4.2.0, before 4.2.7 (fixed in 4.2.7)

Published 2019-05-16. Last modified 2026-06-17.