CVE-2026-46492

{"id": "CVE-2026-46492", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46492", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T18:25:03.113474Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "commenthol", "product": "md-fileserver", "versions": [{"status": "affected", "version": "< 1.10.3"}]}]}], "published": "2026-06-09T17:17:33.730", "references": [{"url": "https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv", "tags": ["Vendor Advisory", "Exploit"], "source": "security-advisories@github.com"}, {"url": "https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv", "tags": ["Vendor Advisory", "Exploit"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-80"}, {"lang": "en", "value": "CWE-87"}]}], "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."}, {"lang": "es", "value": "md-fileserver permite la visualizaci\u00f3n local de archivos markdown en un navegador. Antes de la versi\u00f3n 1.10.3, existe una vulnerabilidad de cross-site scripting (XSS) en la l\u00f3gica de renderizado de Markdown de la aplicaci\u00f3n. Cuando se renderiza contenido Markdown proporcionado por el usuario, el HTML sin procesar incrustado -incluyendo etiquetas <script>- se procesa y se inyecta en la p\u00e1gina resultante sin sanitizaci\u00f3n, permitiendo la ejecuci\u00f3n arbitraria de JavaScript en el contexto del dominio afectado. Este problema ha sido parcheado en la versi\u00f3n 1.10.3."}], "lastModified": "2026-08-12T17:48:26.667", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:commenthol:md-fileserver:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "0FC6B2DC-63EC-41F9-8241-02C1FB66CEEF", "versionEndExcluding": "1.10.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}