cors-misconfiguration

Official

Exploit CORS misconfigurations for data theft.

Authorblacklanternsecurity
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps identify and exploit Cross-Origin Resource Sharing (CORS) misconfigurations, allowing unauthorized origins to access sensitive data from web applications.

Core Features & Use Cases

  • CORS Header Analysis: Detects vulnerable CORS configurations like reflected origins, null origins, and wildcard usage.
  • Exploitation PoCs: Provides JavaScript snippets to demonstrate data exfiltration via XHR or Fetch API.
  • Use Case: A penetration tester can use this skill to demonstrate how an attacker-controlled website could steal user session cookies or sensitive profile information from a vulnerable target application.

Quick Start

Use the cors-misconfiguration skill to test the target 'https://example.com/api/user/profile' for CORS vulnerabilities.

Dependency Matrix

Required Modules

None required

Components

scriptsreferences

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: cors-misconfiguration
Download link: https://github.com/blacklanternsecurity/red-run/archive/main.zip#cors-misconfiguration

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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