{"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":"2026-06-09T18:39:21.733Z"},"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’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including <script> tags—is 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"}},"adp":[{"references":[{"url":"https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T18:25:03.113474Z","id":"CVE-2026-46492","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-09T18:39:21.733Z"}}]}}