Medium severity5.4NVD Advisory· Published Jul 10, 2026· Updated Jul 16, 2026
CVE-2026-55808
CVE-2026-55808
Description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.
Affected products
3- Range: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*
Patches
Vulnerability mechanics
References
1- www.drupal.org/sa-core-2026-009nvdVendor Advisory
News mentions
1- Drupal core - Moderately critical - Improper validation - SA-CORE-2026-009Drupal Security Advisories · Jun 17, 2026