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wordpress-security

Enforce WordPress security best practices for escaping, sanitization, nonces, and capability checks.

1|Updated Apr 19, 2026
Search Tags:#security#sanitization#wordpress#access-control#escaping#nonce#wpdb
One-click install
npx skills add https://github.com/iwritec0de/wp-dev --skill wordpress-security-iwritec0de
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: wordpress-security
Source: https://github.com/iwritec0de/wp-dev/tree/main/skills/wordpress-security
Command: npx skills add https://github.com/iwritec0de/wp-dev --skill wordpress-security-iwritec0de

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

WordPress security best practices for safe output, input handling, nonce verification, capability checks, and secure database queries to help developers build safer sites.

Core Features & Use Cases

  • Output escaping and context-aware helpers to prevent XSS.
  • Input sanitization and validation for forms, AJAX, and REST endpoints.
  • Nonce verification, capability checks, and secure database interactions to enforce access control and data integrity.
  • Use Case: When developing a WP plugin or theme, consult these guidelines to ensure code adheres to security standards.

Quick Start

Apply these guidelines when building WordPress plugins or themes to ensure secure data handling and proper access control.

Frequently Asked Questions about wordpress-security

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

FAQPage Schema
How do I sanitize input and escape output in WordPress plugins to prevent XSS?▼

To prevent XSS in WordPress plugins, sanitize all input data using WordPress validation functions and apply context-aware output escaping helpers when rendering data to the browser.

What is the best way to verify nonces and check user capabilities in WordPress?▼

The best way to enforce access control in WordPress is to verify nonces for intent and perform strict capability checks before processing authenticated requests or executing privileged plugin operations.

How do I write secure database queries in WordPress using wpdb?▼

Secure WordPress database queries use the established wpdb API with prepared statements to safely bind variables, preventing SQL injection during plugin and theme data interactions.

Does this WordPress security guidance apply to both plugin and theme development?▼

Yes, these WordPress security guidelines apply directly to both plugin and theme development, ensuring secure data handling, proper access control, and safe API usage across projects.

When do I need to perform nonce verification in WordPress REST endpoints?▼

Nonce verification is required in WordPress REST endpoints and AJAX requests to verify user intent and prevent cross-site request forgery during authenticated data submissions.

Can I use these guidelines for a WordPress plugin security code audit?▼

Yes, you can use these WordPress security guidelines during code audits and security reviews to validate proper escaping, sanitization, and capability checks across existing projects.

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