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OpenAdvisories
High · 7.8 CVE-2023-53940 EUVD-2025-204338GHSA-mm7x-g274-jqhp

Codigo Markdown Editor 1.0.1 Electron Arbitrary Code Execution via Markdown File

Published Dec 18, 2025 · Updated Apr 7, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
Alfonzm Codigo Markdown Editor 1.0.1 —

References