{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59167", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-02T16:50:27.887Z", "datePublished": "2026-09-23T13:52:56.747Z", "dateUpdated": "2026-09-23T13:52:56.747Z"}, "containers": {"cna": {"title": "SunEditor: Critical XSS vulnerability - sanitizer bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/JiHong88/suneditor/security/advisories/GHSA-6rf4-v2fh-m6p4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/JiHong88/suneditor/security/advisories/GHSA-6rf4-v2fh-m6p4"}, {"name": "https://github.com/JiHong88/suneditor/issues/1646", "tags": ["x_refsource_MISC"], "url": "https://github.com/JiHong88/suneditor/issues/1646"}, {"name": "https://github.com/JiHong88/suneditor/commit/a94ace269c7102bfb6de58a27a6547bc4eb09045", "tags": ["x_refsource_MISC"], "url": "https://github.com/JiHong88/suneditor/commit/a94ace269c7102bfb6de58a27a6547bc4eb09045"}, {"name": "https://github.com/JiHong88/suneditor/releases/tag/2.47.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/JiHong88/suneditor/releases/tag/2.47.11"}], "affected": [{"vendor": "JiHong88", "product": "suneditor", "versions": [{"version": "< 2.47.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-23T13:52:56.747Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-6rf4-v2fh-m6p4", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "suneditor", "vendor": "JiHong88", "versions": [{"status": "affected", "version": "< 2.47.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-59167", "lastModified": "2026-09-23T14:17:07.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-23T14:17:07.923", "references": [{"source": "security-advisories@github.com", "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"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}