hunt-xxe

Detect and exploit XML External Entity vulnerabilities in XML parsers.

Updated Jun 18, 2026
One-click install
npx skills add https://github.com/Kisilev13/Hermes-Agent-Workspace --skill hunt-xxe-kisilev13
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: hunt-xxe
Source: https://github.com/Kisilev13/Hermes-Agent-Workspace/tree/main/skills/hunt-xxe
Command: npx skills add https://github.com/Kisilev13/Hermes-Agent-Workspace --skill hunt-xxe-kisilev13

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires lxml, requests, BeautifulSoup4, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This skill addresses the issue of identifying and exploiting XXE (XML External Entity) vulnerabilities within systems that use XML parsers with external entity features enabled.

Core Features & Use Cases

  • Detection of XXE Vulnerabilities: Automatically scans systems for XXE vulnerabilities in XML processors.
  • Exploitation of XXE: Utilizes specific payloads and methods to exploit discovered XXE vulnerabilities.
  • Use Case: Use this skill to assess a web application for XXE vulnerabilities, potentially uncovering sensitive data exfiltration or SSRF (Server-Side Request Forgery) opportunities.

Quick Start

Execute the 'hunt-xxe' skill to start the XXE vulnerability hunting process against the specified target URL.

Frequently Asked Questions about hunt-xxe

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

FAQPage Schema
How do I detect XXE vulnerabilities in a web application?

To detect XXE vulnerabilities, this Skill scans XML processors by applying specific payloads and testing techniques against a target URL to identify external entity weaknesses automatically.

What is an XML External Entity (XXE) attack and how does it work?

An XML External Entity (XXE) attack exploits XML parsers with external entity features enabled, allowing attackers to extract sensitive data or perform Server-Side Request Forgery (SSRF) during security audits and penetration testing.

How do I exploit XXE vulnerabilities to test for sensitive data exfiltration?

You exploit XXE vulnerabilities by utilizing this Skill's specific payloads and methods to demonstrate weaknesses, uncovering potential sensitive data exfiltration or SSRF opportunities in the target application.

Do I need knowledge of XML parsing and security to use this XXE testing tool?

Yes, this XXE testing tool requires knowledge of XML parsing and security to effectively assess web applications during penetration testing and application vulnerability assessments.

Can I use Python libraries like lxml and BeautifulSoup4 for XML security auditing?

Yes, this Skill leverages Python dependencies including lxml, requests, and BeautifulSoup4 to perform XML security auditing, detect vulnerabilities, and parse XML data during penetration testing.

When should I not use automated XXE exploit scripts?

You should avoid automated XXE exploit scripts when XML parsers have external entity features disabled, as the specific payloads and testing techniques target systems explicitly vulnerable to external entity processing.