xsstrike

Detect and exploit XSS vulnerabilities in web applications with context-aware payloads.

15|1|Updated Feb 12, 2026
One-click install
npx skills add https://github.com/AeonDave/malskill --skill xsstrike
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xsstrike
Source: https://github.com/AeonDave/malskill/tree/main/offensive-tools/web-app/xsstrike
Command: npx skills add https://github.com/AeonDave/malskill --skill xsstrike

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires requests, beautifulsoup4, selenium, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the detection of Cross-Site Scripting (XSS) vulnerabilities in web applications, helping to secure them from malicious attacks.

Core Features & Use Cases

  • XSS Detection: Identifies reflected, stored, and DOM-based XSS vulnerabilities.
  • Payload Generation: Creates context-aware payloads, including those designed to bypass Web Application Firewalls (WAFs).
  • Site Crawling: Discovers and tests links across a target website.
  • Use Case: When testing a web application for security flaws, use this Skill to automatically scan for and report potential XSS injection points, providing tailored payloads for verification.

Quick Start

Use the xsstrike skill to test the URL http://target.com/search?q=test for XSS vulnerabilities.

Frequently Asked Questions about xsstrike

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

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

You can automatically detect XSS vulnerabilities by scanning target URLs to identify reflected, stored, and DOM-based injection points. This skill crawls websites to discover forms and parameters, then tests them for cross-site scripting flaws.

Can I generate payloads that bypass Web Application Firewalls (WAFs)?

Yes, you can generate WAF-bypass payloads for cross-site scripting tests. The tool creates context-aware payloads specifically designed to evade Web Application Firewalls while verifying potential XSS injection points.

How do I test for DOM-based XSS during penetration testing?

To test for DOM-based XSS, the tool leverages browser automation dependencies like Selenium to execute client-side scripts. This allows it to identify cross-site scripting vulnerabilities that originate in the Document Object Model rather than the server response.

Do I need Python 3.6 and specific dependencies to run XSS scans?

Yes, you need Python 3.6 or higher installed along with specific pip dependencies including requests, beautifulsoup4, and Selenium. These libraries enable the tool to crawl web pages, parse HTML, and automate browser interactions for XSS detection.

What is the best way to scan a website for reflected and stored XSS?

The best way to scan for reflected and stored XSS is to target a specific URL endpoint and let the tool crawl the site. It automatically discovers links, analyzes input vectors, and generates tailored payloads to confirm cross-site scripting vulnerabilities.

Why does XSS scanning require Selenium and Beautiful Soup?

Selenium is required to render JavaScript and detect DOM-based XSS vulnerabilities, while Beautiful Soup parses HTML to extract forms and links. Together, they enable comprehensive crawling and context-aware payload generation during web security testing.