CVE-2021-30124

CRITICAL 9.8CVE-2021-30124 · Published 30/07/2021 · updated 17/06/2026

In short

CVE-2021-30124 is a CRITICAL (CVSS 9.8) vulnerability affecting vscode-phpmd (vscode-phpmd project).
Chance of exploitation in the next 30 days (EPSS): 3.0%, higher than 87.6% of all vulnerabilities.
Fix: update to 1.3.0 or later.

Package	Affected versions	Patched versions
vscode-phpmd vscode-phpmd_project	`< 1.3.0`	`1.3.0`

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.

References

sandhje/vscode-phpmd commit c462bf5 · Patch
marketplace.visualstudio.com/items · Product
vuln.ryotak.me/advisories/25 · Third Party Advisory

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