{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46492", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-14T18:06:06.811Z", "datePublished": "2026-06-09T16:09:29.077Z", "dateUpdated": "2026-06-09T16:09:29.077Z"}, "containers": {"cna": {"title": "md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)", "problemTypes": [{"descriptions": [{"cweId": "CWE-80", "lang": "en", "description": "CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-87", "lang": "en", "description": "CWE-87: Improper Neutralization of Alternate XSS Syntax", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv"}, {"name": "https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3"}], "affected": [{"vendor": "commenthol", "product": "md-fileserver", "versions": [{"version": "< 1.10.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-09T16:09:29.077Z"}, "descriptions": [{"lang": "en", "value": "md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting (XSS) vulnerability exists in the application\u2019s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML\u2014including <script> tags\u2014is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution in the context of the affected domain. This issue has been patched in version 1.10.3."}], "source": {"advisory": "GHSA-32q2-hhr5-6qvv", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting (XSS) vulnerability exists in the application\u2019s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML\u2014including <script> tags\u2014is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution in the context of the affected domain. This issue has been patched in version 1.10.3."}], "id": "CVE-2026-46492", "lastModified": "2026-06-09T17:17:33.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-06-09T17:17:33.730", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-80"}, {"lang": "en", "value": "CWE-87"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}