Vulnerability advisory

GHSA-pw6f-3999-xp7g

Drupal core allows Cross-Site Scripting (XSS)

Published May 20, 2026Updated Sep 10, 2026OSV record ↗

Also known as BIT-drupal-2026-6367CVE-2026-6367DRUPAL-CORE-2026-003

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected versions

drupal/core Packagist

All drupal/core advisories →

Affected	Fixed in
`11.3.0` to before 11.3.7	`11.3.7`Advisories →
Also listed as affected (7) `11.3.0` `11.3.1` `11.3.2` `11.3.3` `11.3.4` `11.3.5` `11.3.6`

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: from 11.3.0 before 11.3.7.

References

Advisorynvd.nist.gov/vuln/detail/CVE-2026-6367 ↗
Packagegithub.com/drupal/core ↗
Webwww.drupal.org/sa-core-2026-003 ↗