{"id":"DRUPAL-CONTRIB-2021-026","aliases":[],"title":"DRUPAL-CONTRIB-2021-026","description":"The Webform module uses the [CKEditor](https://github.com/ckeditor/ckeditor4), library for WYSIWYG editing. CKEditor has released [a security update that impacts Webform](https://ckeditor.com/blog/ckeditor-4.16.2-with-browser-improvements-and-security-fixes/).\n\nAn 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.\n\nFor more information, see [CKEditor's announcement of the release](https://ckeditor.com/blog/ckeditor-4.16.2-with-browser-improvements-and-security-fixes/).","severity":"unknown","score":null,"published":"2021-08-25T15:27:54.000Z","modified":"2026-09-10T03:46:17.357Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist:https://packages.drupal.org/8","name":"drupal/webform","ranges":[{"events":[{"introduced":"0"},{"fixed":"5.28.0"}],"type":"ECOSYSTEM","database_specific":{"constraint":"<5.28.0"}},{"events":[{"introduced":"6.0.0"},{"fixed":"6.0.5"}],"type":"ECOSYSTEM","database_specific":{"constraint":">=6.0.0 <6.0.5"}}],"versions":[],"fixed":["5.28.0","6.0.5"]}],"references":["https://www.drupal.org/sa-contrib-2021-026"],"sources":[{"name":"OSV","id":"DRUPAL-CONTRIB-2021-026","modified":"2026-09-10T03:46:17.357572537Z","url":"https://osv.dev/vulnerability/DRUPAL-CONTRIB-2021-026"}],"assessments":[]}