CVE-2023-53940

HIGH 7.8

Codigo Markdown Editor 1.0.1 Electron Arbitrary Code Execution via Markdown File

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

Codigo Markdown Editor 1.0.1 contains a code execution vulnerability that allows attackers to run arbitrary system commands by crafting a malicious markdown file. Attackers can embed a video source with an onerror event that executes shell commands through Node.js child_process module when the file is opened.

CWE	CWE-94
Vendor	alfonzm
Product	codigo markdown editor
Published	Dec 18, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Alfonzm / Codigo Markdown Editor

1.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51432 github.com: https://github.com/alfonzm/codigo-app vulncheck.com: https://www.vulncheck.com/advisories/codigo-markdown-editor-electron-arbitrary-code-execution-via-markdown-file

Credits

8bitsec