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HackEDU Lesson Help
This collection contains articles around basic troubleshooting, specific lesson help & common issues
Accessing the Browser Console
Prepared Statements in C
DOM-Based Cross-Site Scripting (XSS)
Coding Test Hints
Python String Formatting and SQL Injection Attacks
Tips for getting output
Using OpenSSL BN Library in C
How to check for 500 Errors
How to Generate a .HAR File for Debugging
Simplifying Memory Management in C
Adopting and Implementing an error-handling policy
Break/Fix Lesson Sandbox Troubleshooting: Axios Error
Login Functionality Is Broken Error (Broken Authentication Lesson)
Logout Functionality Is Broken Error (Broken Authentication Lesson)
Authentication Search Vulnerability Is Not Fixed (Broken Authentication Lesson)
Search Functionality Is Broken Error (Broken Authentication Lesson)
Account Access Vulnerability Is Not Fixed (Broken Authentication Lesson)
Account Access Functionality Is Broken Error (Broken Authentication Lesson)
Search Vulnerability Not Fixed (Insufficient Logging Lesson)
Search Functionality Is Broken Error (Insufficient Logging Lesson)
Login Vulnerability Not Fixed (Insufficient Logging Lesson)
Login Vulnerability Not Fixed Correctly (Insufficient Logging Lesson)
Login Failure Functionality Error (Insufficient Logging Lesson)
Internal Server Error (SQL Injection Lesson)
Login Vulnerability Additional Checks Not Fixed Error (SQL Injection Lesson)
Post Vulnerability Not Fixed (XML External Entities Lesson)
Login Vulnerability Not Fixed Error (SQL Injection Lesson)
Login Failure Functionality Error (SQL Injection Lesson)
Login Functionality Error (SQL Injection Lesson)
Post Functionality Is Broken (SQL Injection Lesson)
Special Character Functionality Not Fixed Error (SQL Injection Lesson)
Register/Login Functionality Is Broken (Secure Password Storage Part 1 and Part 2)
Vulnerability Is Not Fixed (Secure Password Storage: Part 1 Lesson)
Vulnerability Is Not Fixed (Secure Password Storage: Part 2 Lesson)
Vulnerability Is Not Fixed (Secure Password Storage: Part 3 Lesson)
Register/Login Functionality Is Broken (Secure Password Storage Part 3)