CTFshow Naive Dog Cup Complete Walkthrough

Miscellaneous Who Am I? This challenge requires matching items against a provided list. While straightforward, it demands careful attention to detail as the information is spread across multiple entries. The solution involves cross-referencing each elemant systematically until all correspondences are established. You and Me Blind watermarking ...

Posted on Fri, 19 Jun 2026 16:28:01 +0000 by tmh766

Working with Django's Authentication System

Initializing a Superuser Execute the following management command to create an administrative account: python manage.py createsuperuser During the prompt: Username: Required. Email: Optional. Password: Will be stored as a hash. If forgotten, you can manually replace the hash in the database, though resetting via management commands is preferr ...

Posted on Tue, 02 Jun 2026 16:24:57 +0000 by Negligence

Reverse Engineering the JD Login Flow: Slider Verification and H5ST Token Generation

Target Endpoint and Initialization The target for this analysis is the login portal of a major e-commerce platform. The primary objective is to intercept and decrypt the h5st signature parameter (version 4.7.4) and handle the accompanying CAPTCHA verification. Base64 encoded target: aHR0cHM6Ly9wYXNzcG9ydC5qZC5jb20vbmV3L2xvZ2luLmFzcHg= Request ...

Posted on Sat, 30 May 2026 21:09:43 +0000 by cedtech31

File Inclusion Vulnerabilities in Web Applications

File inclusion is a common programming feature that allows developers to import external code files into their applications. Most programming languages provide built-in functions for this purpose. In PHP, these functions include include(), include_once(), require(), and require_once(). When the included file path is hardcoded, this functionalit ...

Posted on Mon, 18 May 2026 03:01:25 +0000 by mubarakabbas

Comprehensive Exploitation Guide for Upload-Labs Pass-01 to Pass-19

Pass-01 Upload a PHP file like test_info.php with content: <?php echo phpinfo(); ?> This fails due to client-side JavaScript validation. Three bypass methods: Disable JS: In Firefox, press F12 → Debugger → Settings → Disable JavaScript. Re-upload the file and access via copied image link. Modify HTML locally: Save page source as custom_ ...

Posted on Sat, 16 May 2026 13:45:07 +0000 by stratguitar

Managing Web Application Sessions with Spring Security

Session Creation Policies Spring Security provides several session creation policies that control how sessions are handled: stateless: Spring Security does not create or utilize any session. This is ideal for stateless API applications and helps conserve server resources. To configure session creation strategy, extend WebSecurityConfigurerAda ...

Posted on Fri, 15 May 2026 08:00:00 +0000 by lordfrikk

Web Penetration Testing Techniques and Exploits

File Inclusion and Upload Vulnerabilities File inclusion vulnerabilities occur when a web application dynamically includes files based on user input without proper validation, allowing attackers to include malicious files. Modern server-side languages like PHP (since version 5.2.0) often disable remote file inclusion by default, making Local Fi ...

Posted on Sun, 10 May 2026 12:39:31 +0000 by dark dude

Bypassing SQL Injection Defenses with Character Encoding Techniques in MySQL

Character encoding represents the fundamental mechanism for translating characters into byte sequences within computing environments. Different databases and systems may utilize varying encoding schemes such as UTF-8, ISO-8859-1 (Latin-1), and GBK. When exploiting SQL injection vulnerabilities, attackers can leverage these encoding differences ...

Posted on Sat, 09 May 2026 23:18:25 +0000 by anon

Implementing JWT Refresh Tokens in Spring Boot Applications

Securing stateless REST APIs relies heavily on short-lived access tokens paired with longer-lived refresh credentials. This pattern prevents frequent re-authentication while limiting exposure from compromised tokens. Below is a practical implementation of this mechanism using Spring Boot, Spring Security, and the JJWT library. Core Dependencies ...

Posted on Sat, 09 May 2026 22:48:40 +0000 by themire

Configuring CORS Support in Java Spring Applications

Cross-Origin Resource Sharing (CORS) is managed by setting specific HTTP response headers, primarily Access-Control-Allow-Origin, which dictates which external domains are permitted to access the resource. When a browser blocks a request due to CORS policy, the error typically resembles: Access to XMLHttpRequest has been blocked by CORS policy: ...

Posted on Sat, 09 May 2026 13:12:34 +0000 by rageh