Provide references for CVE-2021-30124.
Where can I find more information about CVE-2021-30124?
References are available at: https://marketplace.visualstudio.com/items?itemName=ecodes.vscode-phpmd, https://vuln.ryotak.me/advisories/25, https://github.com/sandhje/vscode-phpmd/commit/c462bf5c6f0160d0199855d5f8ed76be8d9beac0.