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xxe-testing

Detect, exploit, and mitigate XML External Entity injection vulnerabilities.

5.6k|899|Updated Nov 8, 2025
Search Tags:#security#penetration testing#vulnerability testing#web application security#xxe#xml injection
One-click install
npx skills add https://github.com/Ed1s0nZ/CyberStrikeAI --skill xxe-testing
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xxe-testing
Source: https://github.com/Ed1s0nZ/CyberStrikeAI/tree/main/skills/xxe-testing
Command: npx skills add https://github.com/Ed1s0nZ/CyberStrikeAI --skill xxe-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the critical security vulnerability of XML External Entity (XXE) injection, providing methods to detect, exploit, and mitigate these risks.

Core Features & Use Cases

  • XXE Detection: Identifies potential XXE vulnerabilities in XML parsers and data inputs.
  • Exploitation Techniques: Demonstrates methods for file reading, Server-Side Request Forgery (SSRF), and Denial of Service (DoS) attacks via XXE.
  • Bypass Techniques: Explores methods to circumvent common XXE defenses.
  • Tool Integration: Provides guidance on using tools like XXEinjector and Burp Suite for testing.
  • Use Case: A security professional can use this Skill to systematically test web applications and APIs for XXE flaws, understanding how to confirm and demonstrate the impact of such vulnerabilities.

Quick Start

Use the xxe-testing skill to test for XXE vulnerabilities by attempting to read the '/etc/passwd' file.

Frequently Asked Questions about xxe-testing

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

FAQPage Schema
How do I test for XXE vulnerabilities in web applications?▼

To test for XXE vulnerabilities, you can systematically attempt XML injection by defining external entities in input data to read files like '/etc/passwd' or trigger SSRF. This provides detection and exploitation techniques for comprehensive security assessments.

What is an XML External Entity injection attack?▼

An XML External Entity (XXE) injection is an attack against XML parsers that allows file disclosure, Server-Side Request Forgery (SSRF), and Denial of Service (DoS). It exploits parsers processing malicious external entity references within XML data formats.

Can I use Burp Suite to detect XML injection flaws?▼

Yes, you can use Burp Suite to detect XML injection flaws. This provides tool integration guidance for Burp Suite and XXEinjector, combining specialized tools with manual testing approaches to confirm vulnerabilities.

What are common XXE bypass techniques for web application security?▼

Common XXE bypass techniques explore methods to circumvent standard XML parser defenses and web application security filters. This covers various bypass approaches across different protocols and data formats to ensure comprehensive vulnerability testing.

How do I exploit XXE to perform SSRF and read local files?▼

To exploit XXE for SSRF and local file reading, you define external entities in XML inputs that point to internal resources or local files. This demonstrates these exploitation techniques to show the impact of vulnerabilities.

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