CVE-2026-6367

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.

PUBLISHED Reserved 2026-04-15 | Published 2026-05-19 | Updated 2026-05-20 | Assigner drupal

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")

Product status

Credits

cantina_security finder

Dries Buytaert (dries) finder

Shirsendu Mondal finder

Lee Rowlands (larowlan) remediation developer

Drew Webber (mcdruid) remediation developer

Mingsong (mingsong) remediation developer

Damien McKenna (damienmckenna) coordinator

Greg Knaddison (greggles) coordinator

Lee Rowlands (larowlan) coordinator

Juraj Nemec (poker10) coordinator

Jess (xjm) coordinator

References

www.drupal.org/sa-core-2026-003

cve.org (CVE-2026-6367)

nvd.nist.gov (CVE-2026-6367)

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