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Servers and applications

CVE-2021-41164

CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The…

Severity
Medium 5.4
Published
17 Nov 2021
Last changed
25 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.9.20, 9.1.14, 9.2.9
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • From 8.9.0 before 8.9.20
  • From 9.1.0 before 9.1.14
  • From 9.2.0 before 9.2.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41164
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41164