Html Injection Testing

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by sickn33 · vlatest · Repository

Identifies potential XSS vulnerabilities by attempting HTML injection into input fields and observing output.

Install on your platform

We auto-selected Claude Code based on this skill’s supported platforms.

1

Run in terminal (recommended)

terminal
claude mcp add html-injection-testing npx -- -y @trustedskills/html-injection-testing
2

Or manually add to ~/.claude/settings.json

~/.claude/settings.json
{
  "mcpServers": {
    "html-injection-testing": {
      "command": "npx",
      "args": [
        "-y",
        "@trustedskills/html-injection-testing"
      ]
    }
  }
}

Requires Claude Code (claude CLI). Run claude --version to verify your install.

About This Skill

The HTML Injection Testing skill enables AI agents to systematically probe web applications for vulnerabilities where malicious scripts are embedded into web pages. It automates the process of identifying injection flaws that could allow attackers to execute arbitrary code within a user's browser session. This capability is essential for security professionals seeking to validate defenses against cross-site scripting (XSS) attacks before they can be exploited in production environments.

  • Vulnerability Discovery: Automatically scan input fields, forms, and dynamic content areas to detect potential injection points.

  • Payload Execution Simulation: Test how applications handle malicious HTML tags and scripts without requiring manual browser interaction.

  • Risk Assessment: Generate reports highlighting specific locations where user-controlled data is rendered unsafely.

  • Compliance Verification: Assist in meeting security standards that require regular testing for client-side code injection flaws.

  • Automated scanning of dynamic web interfaces for unsafe HTML rendering.

  • Simulation of malicious script insertion into various input vectors.

  • Identification of reflected, stored, and DOM-based injection vulnerabilities.

  • Detailed reporting on specific endpoints and parameters susceptible to exploitation.

"Scan this login page for HTML injection vulnerabilities before we deploy the new authentication flow."

"Test the search functionality of this e-commerce site to see if it reflects user input as executable HTML."

"Run an automated assessment on our blog comments section to check for stored XSS risks using this tool."

  • Prerequisites: Ensure you have appropriate authorization and legal permission to test the target application, as injection testing can disrupt services.
  • Limitations: This skill focuses on client-side rendering issues; it may not detect server-side logic flaws or backend database injection attacks that do not result in immediate HTML output.

Tags

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Details

Version
vlatest
License
Author
sickn33
Installs
181

🌐 Community

Passed automated security scans.