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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 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.

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

Default status
unaffected

8.0.0 (semver) before 10.5.9
affected

10.6.0 (semver) before 10.6.7
affected

11.0.0 (semver) before 11.2.11
affected

11.3.0 (semver) before 11.3.7
affected

Credits

Murat Kekiç (murat_kekic) finder

Anna Kalata (akalata) remediation developer

Benji Fisher (benjifisher) remediation developer

Neil Drumm (drumm) remediation developer

Lee Rowlands (larowlan) remediation developer

Michael Hess (mlhess) remediation developer

James Gilliland (neclimdul) remediation developer

Joseph Zhao (pandaski) remediation developer

Juraj Nemec (poker10) remediation developer

Ra Mänd (ram4nd) remediation developer

Jess (xjm) remediation developer

Greg Knaddison (greggles) coordinator

Lee Rowlands (larowlan) coordinator

Pierre Rudloff (prudloff) coordinator

Jess (xjm) coordinator

References

www.drupal.org/sa-core-2026-001

cve.org (CVE-2026-6365)

nvd.nist.gov (CVE-2026-6365)

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