High 7.8Published Dec 18, 2025

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

Updated under an hour ago (Oct 27, 2026, 9:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Alfonzm Codigo Markdown Editor

Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Apr 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Alfonzm Codigo Markdown Editor alfonzm:codigo_markdown_editor (from the name)	1.0.1	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.