exploiting-nosql-injection-vulnerabilities

Detect and exploit NoSQL injection vulnerabilities in web applications using MongoDB and CouchDB.

Updated Apr 23, 2026
One-click install
npx skills add https://github.com/YukiIto1999/ctf-sleuth --skill exploiting-nosql-injection-vulnerabilities
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: exploiting-nosql-injection-vulnerabilities
Source: https://github.com/YukiIto1999/ctf-sleuth/tree/main/.claude/skills/exploiting-nosql-injection-vulnerabilities
Command: npx skills add https://github.com/YukiIto1999/ctf-sleuth --skill exploiting-nosql-injection-vulnerabilities

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Detect and demonstrate NoSQL injection vulnerabilities in web applications using NoSQL databases (e.g., MongoDB, CouchDB) to reveal authentication bypass, data leakage, and unauthorized access risks.

Core Features & Use Cases

  • Operator Injection concepts with examples
  • Authentication bypass and data extraction capabilities
  • Use cases including bug bounty hunts, pentests, and security reviews

Quick Start

Run automated NoSQL injection tests against a target URL to detect authentication bypass, data leakage, and potential JavaScript injection.

Frequently Asked Questions about exploiting-nosql-injection-vulnerabilities

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

FAQPage Schema
How do I test for NoSQL injection vulnerabilities in web applications?

To test for NoSQL injection, run automated payloads targeting MongoDB or CouchDB backends to detect authentication bypass and data leakage. This process demonstrates unauthorized access risks by injecting operator payloads like $ne and $gt during manual pentests or bug bounty hunts.

What is operator injection in MongoDB and how does it bypass authentication?

Operator injection in MongoDB manipulates query operators such as $ne, $gt, $regex, $exists, and $where to bypass authentication. By injecting these operators into input fields, attackers force the database to return unauthorized records and extract sensitive data.

Does this NoSQL injection testing approach work with CouchDB and other NoSQL backends?

Yes, this NoSQL injection testing approach works with CouchDB and other NoSQL backends, not just MongoDB. It applies operator injection and JavaScript testing techniques across various NoSQL environments to demonstrate data exfiltration and authentication bypass risks.

What is the best way to verify JavaScript injection risks in NoSQL databases?

The best way to verify JavaScript injection risks in NoSQL databases is by injecting JavaScript payloads through input vectors during manual pentests. This validates unauthorized access and demonstrates potential data exfiltration using $where operator execution.

Do I need the requests library to run NoSQL injection tests?

Yes, you need the requests library to run NoSQL injection tests, as it handles HTTP communication with the target web application. This dependency enables sending operator injection payloads to identify authentication bypass and data leakage vulnerabilities.