CVE-2023-53940

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

No affected versions have been published.

Timeline

Published
Dec 18, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2023-53940: High severity, CVSS 7.8 | Vulnix