Time-Based NoSQL Injection (MongoDB)

Anandhu Krishnan
Published on
14 May 2024


NoSQL Injection in MongoDB (Time-Based) involves exploiting input data to manipulate MongoDB queries, causing delayed responses that reveal or manipulate data. Attackers leverage response times to infer information or execute malicious operations, often targeting queries with inadequate input validation.


  • Validate and Sanitize Input: Ensure all user inputs are properly validated and sanitized to prevent injection.
  • Use Parameterized Queries: Employ parameterized queries or prepared statements to avoid direct insertion of user inputs into queries.
  • Limit Database Permissions: Use the principle of least privilege by granting only necessary permissions to database users.
  • Enable Query Logging: Enable and monitor query logging to detect unusual patterns or excessive query execution times.
  • Regular Security Audits: Conduct regular security audits and code reviews to identify and fix potential vulnerabilities.
  • Implement Rate Limiting: Apply rate limiting to prevent abuse of database queries and to mitigate the impact of injection attacks.
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Written by
Anandhu Krishnan
Anandhu Krishnan
Lead Engineer
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