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CVE-2026-59167 SunEditor: Critical XSS vulnerability - sanitizer bypass

🗓️ 23 Sep 2026 13:52:56Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

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 attribute...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
euvd
EUVD
EUVD-2026-85324
23 Sep 202613:52
euvd
nvd
NVD
CVE-2026-59167
23 Sep 202614:17
nvd
[
  {
    "vendor": "JiHong88",
    "product": "suneditor",
    "versions": [
      {
        "version": "< 2.47.11",
        "status": "affected"
      }
    ]
  }
]

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23 Sep 2026 13:52Current
CVSS 3.110
7