{"cve":"CVE-2021-32808","nvd":{"published":"2021-08-12T17:15:08.047","modified":"2026-06-17T03:53:40.293","status":"Modified","description":"ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2","https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/"],"products":["ckeditor:ckeditor","fedoraproject:fedora","oracle:application_express","oracle:banking_party_management","oracle:commerce_guided_search","oracle:commerce_merchandising","oracle:documaker","oracle:financial_services_analytical_applications_infrastructure","oracle:financial_services_model_management_and_governance","oracle:jd_edwards_enterpriseone_tools","oracle:peoplesoft_enterprise_peopletools","oracle:siebel_ui_framework","oracle:webcenter_sites"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-32808","score":0.01192,"percentile":0.67993,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-6226-h7ff-ch6c","url":"https://osv.dev/vulnerability/GHSA-6226-h7ff-ch6c","summary":"Widget feature vulnerability allowing to execute JavaScript code using undo functionality","modified":"2026-07-08T06:28:18.242088680Z","packages":[{"ecosystem":"npm","name":"ckeditor4","purl":"pkg:npm/ckeditor4","ranges":[">=4.13.0 <4.16.2"],"fixed":["4.16.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}