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CVE-2021-33829: **Update: 2021-06-11: Added CVE-2021-33829 identifier** Drupal core uses the third-party CKEditor library. This library

medium Affects drupal/core, drupal/drupal. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

**Update: 2021-06-11: Added CVE-2021-33829 identifier** Drupal core uses the third-party CKEditor library. This library

Package
drupal/core Composer
Affected versions
>= 8.0.0 <8.9.16 or >= 9.0.0 <9.0.14 or >=9.1.0 <9.1.9 or >=7.0.0 and <7.80 or >=8.0.0 and <8.9.16 or >=9.0.0 and <9.0.14 or >=9.1.0 and <9.1.9 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.6.0 or >=8.6.0 and <8.7.0 or >=8.7.0 and <8.8.0 or >=8.8.0 and <8.9.0 or >=8.9.0 and <8.9.16
Fixed in
8.9.16, 9.0.14, 9.1.9, 7.80
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 3% (88.1th percentile)
Published
2021-05-26
Source
osv.dev

References

ckeditor4 vulnerable to cross-site scripting

Package
drupal/drupal Composer
Affected versions
>=7.0.0 and <7.80 or >=8.0.0 and <8.9.16 or >=9.0.0 and <9.0.14 or >=9.1.0 and <9.1.9 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.6.0 or >=8.6.0 and <8.7.0 or >=8.7.0 and <8.8.0 or >=8.8.0 and <8.9.0 or >=8.9.0 and <8.9.16
Fixed in
7.80, 8.9.16, 9.0.14, 9.1.9
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 3% (88.1th percentile)
Published
2021-06-21
Source
osv.dev

References

CWE-79
NVD recorddrupal/core advisoriesdrupal/drupal advisories

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