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Case File

CVE-2023-53940

HIGH · CVSS 7.8 EPSS 0.17% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-12-18 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution
GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-53940
Severity
HIGH
CVSS
7.8
EPSS
0.17%

Original NVD 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.