CVE-2023-53940 | THREATINT

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.

PUBLISHED Reserved 2025-12-16 | Published 2025-12-18 | Updated 2025-12-18 | Assigner VulnCheck

HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

Problem types

Improper Control of Generation of Code ('Code Injection')

Product status

1.0.1

affected

Credits

8bitsec finder

References

www.exploit-db.com/exploits/51432 (ExploitDB-51432) exploit

github.com/alfonzm/codigo-app (Product GitHub Repository) product

www.vulncheck.com/...itrary-code-execution-via-markdown-file (VulnCheck Advisory: Codigo Markdown Editor 1.0.1 Electron Arbitrary Code Execution via Markdown File) third-party-advisory

cve.org (CVE-2023-53940)

nvd.nist.gov (CVE-2023-53940)

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