GHSA-32q2-hhr5-6qvv

Suggest an improvement
Source
https://github.com/advisories/GHSA-32q2-hhr5-6qvv
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-32q2-hhr5-6qvv/GHSA-32q2-hhr5-6qvv.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-32q2-hhr5-6qvv
Aliases
Published
2026-05-21T17:57:32Z
Modified
2026-06-09T18:45:30Z
Severity
  • 7.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
Summary
md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)
Details

Summary

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

Database specific
{
    "cwe_ids":  [
        "CWE-80",
        "CWE-87"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-05-21T17:57:32Z",
    "nvd_published_at":  "2026-06-09T17:17:33Z",
    "severity":  "HIGH"
}
References

Affected packages

npm / md-fileserver

Package

Name
md-fileserver
View open source insights on deps.dev
Purl
pkg:npm/md-fileserver

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.10.3

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-32q2-hhr5-6qvv/GHSA-32q2-hhr5-6qvv.json"