{"id":"EUVD-2026-111364","revision":"bc613ef4b44940949513770807f0d5cb","records":[{"revision":"bc613ef4b44940949513770807f0d5cb","observedAt":"2026-10-30T02:00:19.765+00:00","statement":{"source":"euvd","id":"EUVD-2026-111364","aliases":["CVE-2026-116688","GHSA-rh54-vffm-5fvp"],"title":"CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes inc…","description":"CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes incoming style attribute values. Crafted editor content can thereby cause unauthorized JavaScript execution in the browser. This issue is fixed in versions 47.7.4 and 48.5.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":null}],"references":["https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-rh54-vffm-5fvp","https://github.com/ckeditor/ckeditor5/commit/4d9c5bb34f63cd956d15ccafbe584e14280c86a0","https://github.com/ckeditor/ckeditor5/commit/a750e38635db6a18c5b11599c09f4fd702850423","https://github.com/ckeditor/ckeditor5/releases/tag/v47.7.4","https://github.com/ckeditor/ckeditor5/releases/tag/v48.5.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-111364","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 27, 2026, 7:36:28 PM","dateUpdated":"Oct 27, 2026, 7:36:28 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-111364","identifiers":["EUVD-2026-111364","CVE-2026-116688","GHSA-rh54-vffm-5fvp"]},"retained":false,"historicalAffected":[]}],"coverage":[]}