{"action":"Upgrade ckeditor4 to 4.17.0 or later.","affected":[{"fixed":"4.17.0","introduced":"0"}],"component":"ckeditor4","cve_ids":["CVE-2021-41164"],"ecosystem":"npm","epss":0.01346,"exploited":false,"fixed_versions":["4.17.0"],"ghsa_id":"GHSA-pvmx-g8h5-cprj","id":"tcs_01M5KG4G779GMAGZZ87PD8W9NQ","modified_at":"2026-07-08T06:28:08.168219118Z","published_at":"2021-11-17T21:55:10Z","references":["https://osv.dev/vulnerability/GHSA-pvmx-g8h5-cprj","https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj","https://nvd.nist.gov/vuln/detail/CVE-2021-41164","https://github.com/ckeditor/ckeditor4","https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP","https://www.drupal.org/sa-core-2021-011","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpujan2022.html","https://www.oracle.com/security-alerts/cpujul2022.html"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-pvmx-g8h5-cprj","url":"https://osv.dev/vulnerability/GHSA-pvmx-g8h5-cprj"}],"summary":"Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML"}