High

Markdownify subject to Remote Code Execution via malicious markdown file

  • Disclosed: 19.10.2022
  • Updated: 11.10.2026 10:22

Markdownify version 1.4.1 allows an external attacker to execute arbitrary code remotely on any client attempting to view a malicious markdown file through Markdownify. This is possible because the application has the "nodeIntegration" option enabled. There are currently no patched versions and no known workarounds.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package electron-markdownify <= 1.4.1 no fix

References

CVSS score 7.8/10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-829
Platform
npm
Package
electron-markdownify
Disclosed
19.10.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-c942-mfmp-p4fh - CC BY 4.0

Vulnerability history: electron-markdownify

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
10.2022 11.2022
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • High 1
  • Medium 1

Disclosures per year

  1. 2022: 2
  2. 2023: 0
  3. 2024: 0
  4. 2025: 0
  5. 2026: 0
  1. Medium · 5.5 CVE-2022-41710 <= 1.4.1 no fix
  2. Markdownify subject to Remote Code Execution via malicious markdown file this entry
    High · 7.8 CVE-2022-41709 <= 1.4.1 no fix

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.