How do I fix path traversal vulnerabilities?

The skill includes a dedicated prevention section recommending the use of basename functions, whitelisting allowed files, and path canonicalization using realpath.

Can I use this for automated fuzzing?

The skill provides commands and configurations for popular fuzzing tools like ffuf and wfuzz to automate the discovery of traversal points.

Does this skill provide payloads for Windows?

Yes, it includes specific payloads and target files for both Linux (e.g., /etc/passwd) and Windows (e.g., C:\windows\win.ini) environments.

What is file path traversal testing?

It is the process of identifying vulnerabilities that allow an attacker to read arbitrary files on a server by manipulating input used to construct file paths, typically using '../' sequences.

File Path Traversal Testing

Name: File Path Traversal Testing
Author: zebbern

byzebbern

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2,883

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Security & Testing

Identifies and tests for directory traversal vulnerabilities to ensure secure filesystem access in web applications.

This skill provides a comprehensive methodology for identifying, testing, and remediating file path traversal (directory traversal) and Local File Inclusion (LFI) vulnerabilities. It guides users through mapping application parameters, applying advanced bypass techniques like double encoding or null byte injection, and accessing system-specific target files on both Linux and Windows environments. By integrating industry-standard testing workflows, it helps security professionals and developers assess the risk of unauthorized file access and implement robust defensive measures such as input validation and path canonicalization.

Key Features

01Comprehensive payload library for Linux and Windows system files

02Integration guides for automated tools like Burp Suite, ffuf, and wfuzz

03Detailed remediation guidance with secure coding examples for PHP and Python

04Step-by-step LFI to Remote Code Execution (RCE) escalation workflows

052,883 GitHub stars

06Advanced bypass strategies for encoding, filters, and blacklist validation

Use Cases

01Assessing the impact of misconfigured web servers and application filters

02Validating input sanitization and file path handling logic during development

03Performing security audits and penetration tests on web applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add zebbern/claude-code-guide file-path-traversal

For use in Claude.ai and ChatGPT

Download Skill