CVE-2026-15917

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 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.

Score

CVSS 3.1 4.7 Medium

Status

Awaiting Analysis - mlhess@drupal.org

Published

2026-08-25

Last modified

2026-08-26

Weaknesses

CWE-79

Affected products

• Drupal Core (Drupal)

References

• https://www.drupal.org/sa-core-2026-011