What’s Vulnerable › Vulnerabilities

CVE-2021-30124

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-30 · updated 2026-06-17

Description

The unofficial vscode-phpmd (aka PHP Mess Detector) extension before 1.3.0 for Visual Studio Code allows remote attackers to execute arbitrary code via a crafted phpmd.command value in a workspace folder.

Affected products

• Vscode-Phpmd Project Vscode-Phpmd: before 1.3.0 — fixed in 1.3.0

How to fix

Upgrade to a fixed version: Vscode-Phpmd Project Vscode-Phpmd 1.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/sandhje/vscode-phpmd/commit/c462bf5c6f0160d0199855d5f8ed76be8d9beac0
• https://marketplace.visualstudio.com/items?itemName=ecodes.vscode-phpmd
• https://vuln.ryotak.me/advisories/25
• https://github.com/sandhje/vscode-phpmd/commit/c462bf5c6f0160d0199855d5f8ed76be8d9beac0
• https://marketplace.visualstudio.com/items?itemName=ecodes.vscode-phpmd
• https://vuln.ryotak.me/advisories/25

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