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url-sanitization

Official

Securely handle URLs.

Software Engineering#html#security#validation#sanitization#url
Authorkreuzberg-dev
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill prevents security vulnerabilities by validating and sanitizing URLs found in web content, ensuring only safe and expected protocols are used.

Core Features & Use Cases

  • Scheme Validation: Ensures URLs use approved protocols (http, https, mailto, ftp, etc.).
  • Dangerous Scheme Blocking: Actively blocks potentially harmful schemes like javascript: or data:.
  • Use Case: When converting HTML to Markdown, this skill ensures that any links or image sources do not contain malicious code or redirect users to unsafe locations.

Quick Start

Sanitize the URL 'javascript:alert("XSS")' to ensure it is safe for use.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: url-sanitization
Download link: https://github.com/kreuzberg-dev/html-to-markdown/archive/main.zip#url-sanitization

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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