CVE-2026-6365: Drupal core is Vulnerable to Cross-Site Scripting

May 20, 2026 (updated June 5, 2026)

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: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.

References

github.com/advisories/GHSA-f3cj-mjqm-fhvj
nvd.nist.gov/vuln/detail/CVE-2026-6365
www.drupal.org/sa-core-2026-001

Code Behaviors & Features

Detect and mitigate CVE-2026-6365 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →