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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sun, 08 Nov 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Jihong88
Jihong88 suneditor |
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| Vendors & Products |
Jihong88
Jihong88 suneditor |
Sun, 08 Nov 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | SunEditor before 3.4.0 Stored XSS via Link Modal Bookmark List | |
| Weaknesses | CWE-79 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-13T03:32:42.190Z
Reserved: 2026-11-08T02:21:16.290Z
Link: CVE-2026-124492
No data.
Status : Deferred
Published: 2026-11-08T14:18:18.980
Modified: 2026-11-13T04:17:41.973
Link: CVE-2026-124492
No data.
OpenCVE Enrichment
Updated: 2026-11-08T15:45:14Z
Weaknesses