{"id":"CVE-2022-24729","aliases":["BIT-drupal-2022-24728","BIT-drupal-2022-24729","CVE-2022-24728","DRUPAL-CORE-2022-005","GHSA-4fc4-4p5g-6w89","GHSA-f6rf-9m92-x2hh"],"url":"https://o3.security/vulnerability/CVE-2022-24729","summary":"Regular expression Denial of Service in dialog plugin","details":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.","published":"2022-03-16T00:00:00Z","modified":"2026-08-12T03:51:32.919273467Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":{"score":0.02487,"percentile":0.83294,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"ckeditor4","fixedVersion":"4.18.0"}],"fix":null,"references":[{"type":"WEB","url":"https://ckeditor.com/cke4/release/CKEditor-4.18.0"},{"type":"WEB","url":"https://www.drupal.org/sa-core-2022-005"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24729.json"},{"type":"ADVISORY","url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24729"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:32.919273467Z"}}