{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-46492: md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-46492","status":"final","version":"1","initial_release_date":"2026-06-09T16:09:29.077Z","current_release_date":"2026-06-09T18:39:21.733Z","revision_history":[{"date":"2026-06-09T16:09:29.077Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-46492 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-46492"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-46492"},{"category":"external","summary":"https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv","url":"https://github.com/commenthol/md-fileserver/security/advisories/GHSA-32q2-hhr5-6qvv"},{"category":"external","summary":"https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3","url":"https://github.com/commenthol/md-fileserver/releases/tag/v1.10.3"}]},"product_tree":{"branches":[{"category":"vendor","name":"commenthol","branches":[{"category":"product_name","name":"md-fileserver","branches":[{"category":"product_version","name":"< 1.10.3","product":{"name":"commenthol md-fileserver < 1.10.3","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:commenthol:md-fileserver:\\<_1.10.3:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-46492","title":"md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","baseScore":7.2,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}