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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 23 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Jihong88
Jihong88 suneditor |
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| Vendors & Products |
Jihong88
Jihong88 suneditor |
Wed, 23 Sep 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | SunEditor: Critical XSS vulnerability - sanitizer bypass | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-23T13:52:56.747Z
Reserved: 2026-07-02T16:50:27.887Z
Link: CVE-2026-59167
No data.
Status : Received
Published: 2026-09-23T14:17:07.923
Modified: 2026-09-23T14:17:07.923
Link: CVE-2026-59167
No data.
OpenCVE Enrichment
Updated: 2026-09-23T16:15:05Z
Weaknesses