{"id":"CVE-2026-59167","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-59167","generatedAt":"2026-10-28T04:34:58.159Z","title":"Prior to 2.47.11, the sanitizer in src/lib/core.js does not consistently reject namespaced or custom HTML elements, allowing event-handler attributes to remain on crafted elements.","description":"SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 2.47.11, the sanitizer in src/lib/core.js does not consistently reject namespaced or custom HTML elements, allowing event-handler attributes to remain on crafted elements. When an application renders attacker-controlled editor content and a user interacts with the element, the retained handler can execute script in the application's browser origin, enabling stored cross-site scripting, data exposure, or unauthorized browser-context actions. This issue is fixed in version 2.47.11.","published":"2026-09-23T14:17:08.000Z","lastModified":"2026-09-24T15:17:25.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00499,"percentile":0.42563,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.00393,"percentile":0.30657}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-23T14:17:08.000Z","detail":{"score":"10.0","severity":"CRITICAL","publishedAt":"2026-09-23T14:17:07.923Z"},"summary":"New CVE, critical severity (CVSS 10.0)."}],"references":[{"url":"https://github.com/JiHong88/suneditor/commit/a94ace269c7102bfb6de58a27a6547bc4eb09045","source":"security-advisories@github.com"},{"url":"https://github.com/JiHong88/suneditor/issues/1646","source":"security-advisories@github.com"},{"url":"https://github.com/JiHong88/suneditor/releases/tag/2.47.11","source":"security-advisories@github.com"},{"url":"https://github.com/JiHong88/suneditor/security/advisories/GHSA-6rf4-v2fh-m6p4","source":"security-advisories@github.com"},{"url":"https://github.com/JiHong88/suneditor/security/advisories/GHSA-6rf4-v2fh-m6p4","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-59167","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}