Dalfox is a command-line security tool for identifying cross-site scripting vulnerabilities in web applications.
It focuses on automation and helps testers and developers assess targets from single URLs, files, pipelines, and server-style workflows, while also offering flexible request handling and report-friendly output.
This is free and open source software.
Key Features
- Supports multiple operating modes including URL, SXSS, Pipe, File, Server, and Payload.
- Includes parameter analysis, static analysis, BAV testing, and parameter mining.
- Detects reflected, stored, and DOM-based XSS with optimization and DOM/headless verification.
- Provides flexible HTTP request options including custom headers, cookies, methods, and proxy support.
- Offers JSON and plain text output modes, along with detailed reporting options.
- Extends through a REST API, custom payloads, and remote wordlists.
- Cross-platform support – runs on Linux, macOS, and Windows.
Website: github.com/hahwul/dalfox
Support:
Developer: HAHWUL
License: MIT License

Dalfox is written in Rust. Learn Rust with our recommended free books and free tutorials.
Related Software
| Security Testing | |
|---|---|
| ZAP | Web app scanner |
| mitmproxy | Interactive HTTPS proxy |
| Wfuzz | Web application fuzzer and Python library for security assessments |
| sqlmap | Penetration testing tool |
| InterceptSuite | Network traffic interception tool |
| Dalfox | Identify cross-site scripting vulnerabilities in web applications |
| Commix | Python-based penetration testing tool |
| BURP | Accelerate application security testing |
Read our verdict in the software roundup.
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