{"cve":"CVE-2024-24816","nvd":{"published":"2024-02-07T17:15:11.383","modified":"2026-06-17T07:14:56.680","status":"Modified","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 4.24.0-lts.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://ckeditor.com/cke4/addon/preview","https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb","https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-mw2c-vx6j-mg76","https://ckeditor.com/cke4/addon/preview","https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb"],"products":["ckeditor:ckeditor"],"source":"nvd","synced_at":"2026-10-19T21:44:57.175229480+00:00"},"epss":{"cve":"CVE-2024-24816","score":0.01652,"percentile":0.76539,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mw2c-vx6j-mg76","url":"https://osv.dev/vulnerability/GHSA-mw2c-vx6j-mg76","summary":"CKEditor4 Cross-site Scripting vulnerability in samples with enabled the preview feature","modified":"2026-09-10T03:50:06.370654056Z","packages":[{"ecosystem":"npm","name":"ckeditor4","purl":"pkg:npm/ckeditor4","ranges":["<4.24.0-lts"],"fixed":["4.24.0-lts"]}]}],"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."]}