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DRUPAL-CORE-2021-005

No scoreFix available

The Drupal project uses the CKEditor, library for WYSIWYG editing. CKEditor has released a security update that impacts Drupal.

Vulnerabilities are possible if Drupal is configured to allow use of the CKEditor library for WYSIWYG editing. An attacker that can create or edit content (even without access to CKEditor themselves) may be able to exploit one or more Cross-Site Scripting (XSS) vulnerabilities to target users with access to the WYSIWYG CKEditor, including site admins with privileged access.

For more information, see CKEditor's announcement of the release.

This advisory is not covered by Drupal Steward.

What each source reports

OSV No score

The Drupal project uses the CKEditor, library for WYSIWYG editing. CKEditor has released a security update that impacts Drupal.

Vulnerabilities are possible if Drupal is configured to allow use of the CKEditor library for WYSIWYG editing. An attacker that can create or edit content (even without access to CKEditor themselves) may be able to exploit one or more Cross-Site Scripting (XSS) vulnerabilities to target users with access to the WYSIWYG CKEditor, including site admins with privileged access.

For more information, see CKEditor's announcement of the release.

This advisory is not covered by Drupal Steward.

Record
DRUPAL-CORE-2021-005
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
drupal/core
Packagist
8.0.0 up to 8.9.18, 9.1.0 up to 9.1.12, 9.2.0 up to 9.2.4, plus listed versions
8.0.18.0.28.0.38.0.48.0.5
Show 45 moreShow less
8.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.28.2.38.2.48.2.58.2.68.2.78.2.88.3.08.3.0-alpha18.3.0-beta18.3.0-rc18.3.0-rc28.3.18.3.28.3.38.3.48.3.58.3.68.3.78.3.88.3.98.4.08.4.0-alpha1
8.9.189.1.129.2.4

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

DRUPAL-CORE-2021-005 is a vulnerability with no CVSS score yet in drupal/core, published August 12, 2021. No source lists public exploit code. Fixed in drupal/core 8.9.18.

References

This page doesn't list everything

Left out here: 125 versions. The JSON record has them.

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