CVE-2023-53940 HIGH

CVE-2023-53940: Codigo Markdown Editor 1.0.1 Electron Arbitrary Code Execution via Markdown File

Vendor Alfonzm
Product Codigo Markdown Editor
Weakness CWE-94 · Code injection
Published December 18, 2025
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 18, 2025 CVE published
April 7, 2026 Record updated