perl-security

Enforce secure coding practices in Perl with taint mode and input validation.

Updated Jul 27, 2026
One-click install
npx skills add https://github.com/kouiso/designdiff --skill perl-security-kouiso
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: perl-security
Source: https://github.com/kouiso/designdiff/tree/main/.claude/skills/perl-security
Command: npx skills add https://github.com/kouiso/designdiff --skill perl-security-kouiso

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidance and best practices to secure Perl applications against common vulnerabilities like injection attacks, insecure file operations, and improper input handling.

Core Features & Use Cases

  • Taint Mode: Understand and implement Perl's taint mode for tracking and validating external data.
  • Input Validation: Learn to use allowlists and specific patterns for robust input sanitization.
  • Secure Execution: Implement safe process execution using list-form commands and libraries like IPC::Run3.
  • Database Security: Prevent SQL injection with DBI parameterized queries and dynamic column validation.
  • Web Security: Protect against XSS, CSRF, and configure secure HTTP headers.
  • Use Case: Reviewing a Perl web application's code to ensure all user inputs are validated, database queries are parameterized, and sensitive operations are protected against common web exploits.

Quick Start

Review the provided Perl code snippet for potential security vulnerabilities, focusing on input validation and taint mode.

Frequently Asked Questions about perl-security

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent SQL injection in Perl DBI queries?

Prevent SQL injection in Perl by using DBI parameterized queries with placeholders instead of string interpolation. This Skill outlines dynamic column validation and secure database operations to block injection attacks.

What is Perl taint mode and how does it secure external input?

Perl taint mode is a built-in security feature marking external data as unsafe until explicitly validated. This Skill explains tracking and sanitizing external input using allowlists and specific patterns for robust input validation.

How do I secure file operations and process execution in Perl?

Secure Perl process execution by using list-form commands and libraries like IPC::Run3. This Skill provides best practices to avoid shell interpolation vulnerabilities during system calls and file operations.

How do I protect a Perl web application against XSS and CSRF?

Protect Perl web applications against XSS and CSRF by escaping output with HTML::Entities and configuring secure HTTP headers. This Skill covers web security implementations including URI::Escape for safe URL handling.

Can I use perlcritic for security auditing of Perl code?

Yes, you can use perlcritic for security auditing of Perl code. This Skill utilizes perlcritic alongside libraries like DBI and HTML::Entities to audit and enforce secure coding practices across your application.