{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116687","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-26T20:00:59.830Z","datePublished":"2026-10-27T19:33:11.074Z","dateUpdated":"2026-10-27T19:33:11.074Z"},"containers":{"cna":{"title":"CKEditor: Cross-site scripting (XSS) in the engine package","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-v6mg-96c6-gmpq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-v6mg-96c6-gmpq"},{"name":"https://github.com/ckeditor/ckeditor5/commit/4d9c5bb34f63cd956d15ccafbe584e14280c86a0","tags":["x_refsource_MISC"],"url":"https://github.com/ckeditor/ckeditor5/commit/4d9c5bb34f63cd956d15ccafbe584e14280c86a0"},{"name":"https://github.com/ckeditor/ckeditor5/commit/a750e38635db6a18c5b11599c09f4fd702850423","tags":["x_refsource_MISC"],"url":"https://github.com/ckeditor/ckeditor5/commit/a750e38635db6a18c5b11599c09f4fd702850423"},{"name":"https://github.com/ckeditor/ckeditor5/releases/tag/v47.7.4","tags":["x_refsource_MISC"],"url":"https://github.com/ckeditor/ckeditor5/releases/tag/v47.7.4"},{"name":"https://github.com/ckeditor/ckeditor5/releases/tag/v48.5.1","tags":["x_refsource_MISC"],"url":"https://github.com/ckeditor/ckeditor5/releases/tag/v48.5.1"}],"affected":[{"vendor":"ckeditor","product":"ckeditor5","versions":[{"version":">= 29.0.0, < 47.7.4","status":"affected"},{"version":">= 48.0.0, < 48.5.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-27T19:33:11.074Z"},"descriptions":[{"lang":"en","value":"CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 29.0.0 until 47.7.4 and 48.5.1, specially crafted markup can trigger cross-site scripting when General HTML Support is enabled and specifically configured to allow object content. Processing that content can execute attacker-controlled JavaScript in a browser context isolated from the origin of the application embedding the editor. This issue is fixed in versions 47.7.4 and 48.5.1."}],"source":{"advisory":"GHSA-v6mg-96c6-gmpq","discovery":"UNKNOWN"}}}}