input-validation-xss-prevention

Sanitize user input to prevent XSS and injection vulnerabilities.

15|1|Updated Oct 20, 2025

Search Tags:#security #xss #validation #sanitization #zod #web security

One-click install

npx skills add https://github.com/harperaa/secure-claude-skills --skill input-validation-xss-prevention

Or copy as Structured Prompt for Agent▼

Please help me install this Agent Skill.
Skill: input-validation-xss-prevention
Source: https://github.com/harperaa/secure-claude-skills/tree/main/input-validation
Command: npx skills add https://github.com/harperaa/secure-claude-skills --skill input-validation-xss-prevention

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires zod.

What problem does it solve?

This Skill eliminates the manual effort of securing web applications against XSS attacks, injection vulnerabilities, and data quality issues, saving developers hours of security implementation work.

Core Features & Use Cases

XSS Prevention: Automatically sanitize user input to block cross-site scripting attacks.
Input Validation: Validate and sanitize forms, API requests, and user-generated content.
Use Case: Imagine you're building a contact form. Use this Skill to automatically validate email formats, sanitize text inputs, and prevent malicious script injection.

Quick Start

Use the input validation skill to check if this user input "Hello<script>alert('xss')</script>World" contains any XSS vulnerabilities and show me the sanitized result.