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WordPress Plugin Security Development Skill

Apply WordPress security best practices to prevent common plugin vulnerabilities.

1|Updated Feb 8, 2026
Search Tags:#security#sql injection#xss#access control#plugin development#wordpress#csrf
One-click install
npx skills add https://github.com/tonnychiulab/My-Tiny-WordPress-Plugin-Security-Development-Skill --skill wordpress-plugin-security-development-skill
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: WordPress Plugin Security Development Skill
Source: https://github.com/tonnychiulab/My-Tiny-WordPress-Plugin-Security-Development-Skill/tree/main/.agent/skills
Command: npx skills add https://github.com/tonnychiulab/My-Tiny-WordPress-Plugin-Security-Development-Skill --skill wordpress-plugin-security-development-skill

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the critical need for secure WordPress plugin development by providing best practices and real-world vulnerability examples to prevent common security flaws.

Core Features & Use Cases

  • Vulnerability Prevention: Learn to avoid SQL Injection, XSS, CSRF, Broken Access Control, and more.
  • Secure Coding Examples: Provides "dangerous" vs. "safe" code snippets for immediate application.
  • Use Case: A developer is building a new WordPress plugin and wants to ensure it's secure against common attacks. They consult this Skill to implement proper input validation, output escaping, and nonce verification.

Quick Start

Review the SQL Injection protection section and apply the wpdb->prepare() method to your database queries.

Frequently Asked Questions about WordPress Plugin Security Development Skill

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

FAQPage Schema
How do I prevent SQL injection in WordPress plugin development?▼

Prevent SQL injection in WordPress plugin development by using the `wpdb->prepare()` method for all database queries to ensure proper input validation and secure data handling.

What is the best way to secure a WordPress plugin against XSS and CSRF attacks?▼

Secure WordPress plugins against XSS and CSRF attacks by implementing proper output escaping for data rendering and using WordPress nonce verification for all form submissions.

Do I need to know PHP to use WordPress security best practices?▼

Yes, understanding PHP and WordPress core functions is required to implement these security best practices, as the Skill provides code-level examples for vulnerability prevention.

How does this Skill address broken access control and sensitive data exposure?▼

It addresses broken access control and sensitive data exposure by providing dangerous versus safe code snippets drawn from WPScan and Patchstack vulnerability databases for immediate application.

What are the limitations of using code snippets for WordPress plugin security?▼

The limitation is that while the Skill provides secure coding examples for vulnerabilities like file upload flaws, developers must manually integrate and adapt these patterns into their existing plugin architecture.

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