What’s Vulnerable › Vulnerabilities

CVE-2021-23352: Command Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-09 · updated 2026-06-17
• Weakness: CWE-89

Description

This affects the package madge before 4.0.1. It is possible to specify a custom Graphviz path via the graphVizPath option parameter which when the .image(), .svg() or .dot() functions are called, is executed by the childprocess.exec function.

Affected products

• madge: before 4.0.1 — fixed in 4.0.1

How to fix

Upgrade to a fixed version: madge 4.0.1. Check the vendor advisory for mitigations.

References

• https://github.com/pahen/madge/blob/master/lib/graph.js%23L27
• https://github.com/pahen/madge/commit/da5cbc9ab30372d687fa7c324b22af7ffa5c6332
• https://snyk.io/vuln/SNYK-JS-MADGE-1082875
• https://github.com/pahen/madge/blob/master/lib/graph.js%23L27
• https://github.com/pahen/madge/commit/da5cbc9ab30372d687fa7c324b22af7ffa5c6332
• https://snyk.io/vuln/SNYK-JS-MADGE-1082875

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