CVE-2026-6367: Drupal core allows Cross-Site Scripting (XSS)

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 11.3.0 before 11.3.7.

References

github.com/advisories/GHSA-pw6f-3999-xp7g
nvd.nist.gov/vuln/detail/CVE-2026-6367
www.drupal.org/sa-core-2026-003

Code Behaviors & Features

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