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http-parameter-pollution

Detect HTTP Parameter Pollution vulnerabilities by comparing duplicate parameter handling across server layers.

Updated Jun 11, 2026
Search Tags:#vulnerability assessment#web security#application security#security auditing#HTTP Parameter Pollution
One-click install
npx skills add https://github.com/utsavthakur/agenticskills --skill http-parameter-pollution-utsavthakur
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: http-parameter-pollution
Source: https://github.com/utsavthakur/agenticskills/tree/main/http-parameter-pollution
Command: npx skills add https://github.com/utsavthakur/agenticskills --skill http-parameter-pollution-utsavthakur

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill identifies vulnerabilities related to HTTP Parameter Pollution (HPP) in web applications, preventing security issues and ensuring data integrity.

Core Features & Use Cases

  • Duplicate Parameter Detection: Scans for instances where duplicate parameter values might be interpreted differently by servers and proxies.
  • Server Behavior Analysis: Evaluates how different server technologies handle duplicate parameters.
  • Payload Testing: Offers predefined payloads for testing parameter handling.
  • Use Case: Ideal for security audits where cross-server communication or data handling is a concern, like APIs and web applications.

Quick Start

Analyze potential HPP vulnerabilities in your application using the http-parameter-pollution skill by running the scan on your API endpoint.

Frequently Asked Questions about http-parameter-pollution

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

FAQPage Schema
What is HTTP Parameter Pollution and how do duplicate parameters affect web application security?▼

HTTP Parameter Pollution (HPP) occurs when duplicate query parameters are interpreted differently by various server layers and proxies. This Skill detects these vulnerabilities by automatically evaluating parameter duplication and server behavior during security auditing.

How do I test for HTTP Parameter Pollution vulnerabilities in my API?▼

You can test for HTTP Parameter Pollution vulnerabilities by running this Skill's automated scan on your API endpoints. It applies predefined payloads to evaluate how your server technologies handle duplicate parameters without requiring manual configuration.

Can I audit web application security for duplicate parameter handling without manual configuration?▼

Yes, you can audit web application security for duplicate parameter handling without manual configuration. This Skill automatically evaluates parameter duplication and server behavior to identify potential HPP vulnerabilities across server layers.

Does this HTTP Parameter Pollution scanner evaluate how different server technologies handle duplicate parameters?▼

Yes, the HTTP Parameter Pollution scanner evaluates how different server technologies handle duplicate parameters. It compares server behavior across various layers to detect instances where duplicate parameter values might be interpreted differently.

When should I use an HPP vulnerability assessment during application security auditing?▼

You should use an HPP vulnerability assessment during application security auditing when cross-server communication or data handling is a concern. It is ideal for ensuring data integrity and preventing security issues in APIs and web applications.

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