Security anti-pattern for unrestricted file upload vulnerabilities (CWE-434). Use when generating or reviewing code that handles file uploads, processes user-submitted files, or stores uploaded content. Detects missing extension, MIME type, and size validation.
Quickly install unrestricted-file-upload-anti-pattern AI skill to your development environment via command line
Source: igbuend/grimbard.
Applications accept user-uploaded files without validating type, content, or size, enabling attackers to upload malicious scripts or executables. Leads to remote code execution (web shells), server compromise, or denial-of-service (disk exhaustion).
The anti-pattern is accepting uploaded files without validating type, content, and size.
Security anti-pattern for unrestricted file upload vulnerabilities (CWE-434). Use when generating or reviewing code that handles file uploads, processes user-submitted files, or stores uploaded content. Detects missing extension, MIME type, and size validation. Source: igbuend/grimbard.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/igbuend/grimbard --skill unrestricted-file-upload-anti-pattern Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
Stable fields and commands for AI/search citations.
npx skills add https://github.com/igbuend/grimbard --skill unrestricted-file-upload-anti-patternSecurity anti-pattern for unrestricted file upload vulnerabilities (CWE-434). Use when generating or reviewing code that handles file uploads, processes user-submitted files, or stores uploaded content. Detects missing extension, MIME type, and size validation. Source: igbuend/grimbard.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/igbuend/grimbard --skill unrestricted-file-upload-anti-pattern Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/igbuend/grimbard