DRUPAL-CORE-2020-001: The Drupal project uses the third-party library [CKEditor](https://github.com/ckeditor/ckeditor4), which has released a

unknown Affects drupal/core. Feed 2026.10.29.1, updated 2026-10-28; published 2020-03-18; advisory modified 2026-09-19.

The Drupal project uses the third-party library [CKEditor](https://github.com/ckeditor/ckeditor4), which has released a

Package: drupal/core Composer
Affected versions: >= 8.0.0 <8.7.12 or >= 8.8.0 <8.8.4
Fixed in: 8.7.12, 8.8.4
Severity: unknown
Exploitation: not on CISA KEV
Published: 2020-03-18
Source: osv.dev

References

https://www.drupal.org/sa-core-2020-001

NVD record drupal/core advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2018-7600 KEV critical A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and same package: drupal/core
CVE-2018-7602 KEV critical A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and same package: drupal/core
CVE-2019-6340 KEV high Some field types do not properly sanitize data from non-form sources. This can lead to arb same package: drupal/core
CVE-2026-9082 KEV critical Drupal core includes a database abstraction API to ensure that queries executed against th same package: drupal/core
CVE-2020-13671 KEV high *Update November 18: Documented longer list of dangerous file extensions* Drupal core doe same package: drupal/core
CVE-2019-11358 medium XSS in jQuery as used in Drupal, Backdrop CMS, and other products same package: drupal/core