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A complete ecosystem for PHP and Backend developers. Read deep-dive guides, test your knowledge in quizzes, and suggest site improvements.

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Guides

Technical Articles

Fresh guides on PHP runtime, databases, microservices, and high-load architecture.

Security

Bypassing WAF via Charset Confusion: The Story of CVE-2026-21876 | DevSense

Discover how CVE-2026-21876 allows attackers to bypass the OWASP ModSecurity Core Rule Set (CRS) using multipart charset confusion and variable overwriting in rule 922110.

Security

File Upload Vulnerabilities: Bypassing Filters to Remote Code Execution (RCE) | DevSense

Master the mechanics of secure file uploads. Learn how attackers bypass client-side checks, exploit extension blacklists, override web server configurations, and how to write secure Laravel code.

Security

Advanced File Upload Attacks: Bypass Techniques and Secure Defenses

A comprehensive developer guide on advanced file upload vulnerabilities, including MIME bypass, polyglot images, Zip Slip, SVG XSS, PDF SSRF, and secure Laravel implementations.

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Ideas

Community Board

Suggest topics and vote on feature ideas submitted by other developers.

Vladimir Pichkurov 0 votes

jobs module, more adat in user profile

Volodymyr Pichkurov 2 votes

Сделайте пожалуйста модуль для рекрутеров!

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