{"id":"CVE-2026-124492","published":"2026-11-08T14:18:18.980","lastModified":"2026-11-08T14:18:18.980","description":"SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability in ModalAnchorEditor's #createBookmarkList, which inserts entity-decoded h1-h6 header textContent into the bookmark list via innerHTML without escaping. Attackers can store HTML-encoded payloads in editor headers that execute JavaScript when a victim opens the link modal and types # in the URL input.","cvssScore":7.6,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/JiHong88/suneditor/security/advisories/GHSA-5pp5-5qrp-vq56","tags":[]},{"url":"https://www.vulncheck.com/advisories/suneditor-before-3.4.0-stored-xss-via-link-modal-bookmark-list","tags":[]}],"exploitRefs":[{"url":"https://github.com/JiHong88/suneditor/security/advisories/GHSA-5pp5-5qrp-vq56","tags":[]}],"hasPoc":true,"ai":null}