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xpath-injection-testing

Detect and exploit XPath injection vulnerabilities in XML-based applications.

96|1|Updated Jun 4, 2026
Search Tags:#penetration-testing#security-testing#vulnerability-assessment#web-application-security#authentication-bypass#xpath-injection#xml-security
One-click install
npx skills add https://github.com/langbyyi/CyberStrikeAI-SRC --skill xpath-injection-testing-langbyyi
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xpath-injection-testing
Source: https://github.com/langbyyi/CyberStrikeAI-SRC/tree/main/skills/xpath-injection-testing
Command: npx skills add https://github.com/langbyyi/CyberStrikeAI-SRC --skill xpath-injection-testing-langbyyi

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

XPath injection is a critical vulnerability in applications that build XPath queries from user input, leading to authentication bypass, sensitive data disclosure, and unauthorized access to XML data stores. This Skill provides a complete methodology to identify, exploit, and remediate these flaws for authorized security testing engagements.

Core Features & Use Cases

  • Comprehensive Detection: Identifies XPath injection points in login forms, search fields, and XML API endpoints.
  • Exploitation Techniques: Covers tautology-based authentication bypass, union-style data extraction, and boolean blind injection via XPath functions like substring().
  • Remediation Guidance: Provides actionable fixes including input validation, parameterized queries, and least-privilege XPath configuration.
  • Use Case: Security teams can use this Skill to test internal enterprise applications that rely on XML data storage for XPath injection risks before deployment.

Quick Start

Use this Skill to test a web application's login form for XPath injection by submitting the payload 'admin' or '1'='1' in the username field and any arbitrary value in the password field to check for authentication bypass.

Frequently Asked Questions about xpath-injection-testing

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

FAQPage Schema
What is XPath injection and how does it bypass authentication in web applications?▼

XPath injection exploits applications that build XPath queries from unsanitized user input. Attackers inject malicious payloads, such as 'admin' or '1'='1', into login forms to bypass authentication and access XML data stores.

How do I test for XPath injection vulnerabilities in login forms and XML APIs?▼

Test XPath injection by submitting tautology payloads like 'admin' or '1'='1' into username fields. Target XML API endpoints and search interfaces to identify authentication bypass, information disclosure, and data extraction risks.

Can I extract data from XML data stores using blind XPath injection techniques?▼

Yes, you can extract data using boolean blind XPath injection. This technique leverages XPath functions like substring() to infer data character by character, enabling information disclosure even when the application does not return detailed errors.

What is the best way to remediate XPath injection flaws in XML-based applications?▼

Remediate XPath injection by implementing parameterized queries and strict input validation. Applying least-privilege XPath configuration ensures that even if injection occurs, unauthorized access to XML data stores is prevented.

Does XPath injection testing apply to XQuery-specific endpoints and search interfaces?▼

Yes, XPath injection testing applies to XQuery-specific endpoints, search fields, and XML API endpoints. It identifies vulnerabilities in applications constructing XPath queries from user input, covering both error-based and blind injection vectors.

Why does XPath injection testing require authorized security testing engagements?▼

XPath injection testing requires authorized security engagements because it actively exploits vulnerabilities by bypassing authentication and extracting sensitive data. Unauthorized testing against XML data stores is illegal and violates security testing boundaries.

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