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📦 npm

CVE-2022-41710

MEDIUM

CVE-2022-41710 is a medium-severity (CVSS 5.5) CWE-552 vulnerability in electron-markdownify. 1 public exploit reference exists, so weaponization risk is real. O3 Security confirms whether CVE-2022-41710 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Markdownify has Files or Directories Accessible to External Parties

Also known asGHSA-qqhf-xfhw-7884
Published
Nov 3, 2022
Updated
Jul 15, 2026
Affected
1 pkg
Patched
None yet
Exploits
1 known

Blast Radius

1 pkg affected

Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.

electron-markdownifynpm
23downloads / week

Description

Markdownify version 1.4.1 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Markdownify. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmelectron-markdownifyall versionsNo fix
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for electron-markdownify. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Remediation status

    No patched version of electron-markdownify has shipped for CVE-2022-41710 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2022-41710 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2022-41710. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Markdownify version 1.4.1 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Markdownify. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them.
O3 Security · Impact-Aware SCA

Is CVE-2022-41710 in your dependencies?

O3 detects CVE-2022-41710 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.