Category:PHP

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About

There are 1.8 billion websites on the internet today. Nearly 80% are powered by the PHP programming language. Freedom, privacy, security, and protection from totalitarianism are not possible if PHP is insecure. This project seeks to be the clearing house for the best ways of protecting PHP websites, apps, and the data they have. Thank you for reading. ​

What Does PHP Security Mean?

  • CONFIG: Is my configuration secure? E.g. am I using the latest version of PHP? How does my PHP.ini file look?
  • CODEBASE: Is my codebase secure? Am I protecting against SQL injection? Am I protecting against stored XSS attacks?
  • ARCHITECTURE: is the app designed with security in-mind? Do I have good documentation on securing the app? Do I have brute force protection or MFA as available options?
  • INFRASTRUCTURE: is my deployment environment secure? E.g. Have I hardened the web server the application runs on?
  • DEVELOPMENT: Is my development infrastructure secure? E.g. Do I have 2FA on my Github account along with all other developers?

What Can You Learn Here?

  • What is the fastest way to secure my legacy PHP application?
  • What options do I need in my php.ini file for security?
  • What is the proper way to sanitize data in 2019 with PHP?
  • How can I check my dependencies for vulnerabilities?
  • How do you secure the web server running the PHP code?
  • How does one secure phpmyadmin, MySQL, and Postgres databases?
  • How can you harden your WordPress or Drupal site?


Team

Lead: Dan Ehrlich

Please email dan.ehrlich@owasp.org if you would like to help out.


Meta

Last Updated: 01/2019


Other Resources

Ultimate 2018 PHP Security Guide
Mailing List


Related Projects


It is not easy to produce a PHP application without security vulnerabilities. Most application security vulnerabilities apply to PHP applications just like other environments.

The goals of this project are to provide information about building, configuring, deploying, operating, and maintaining secure PHP applications

PHP Security for Developers
* This section covers dangerous calls and common vulnerabilities associated with them, such as system() exec(), eval() and so on. This section will also cover standard security mechanisms available in the standard language, such as cryptography, logging, encryption, and error handling. Securing elements of an application, such as controllers, business logic, and persistence layers will be covered. We'll discuss handling request parameters, encoding, injection, and more.
* CONFIG
* CODEBASE
PHP Security for DevSecOps
* How to secure a PHP application when running on the major cloud providers. How to secure a PHP application if all you've got is an unmanaged Linux server. Harden web server, harden database, and various network defenses such as WAFs, GeoIP, and DNSBL.
* How to secure the development environment. Do you have control over the Source code repository? Are commits signed? How do you know which Docker Images to trust? Do you scan containers for vulnerabilities?
* INFRASTRUCTURE
* DEVELOPMENT
PHP Security for Software Architects
* Provides information about the design and architectural considerations for a PHP web application. Which frameworks to use, which frameworks are dead, and using the various FIGs.
* ARCHITECTURE


Resources

Awesome PHP Security

Awesome AppSec

Best 3rd Party PHP Security Guide

Secure php.ini Configuration



Libraries

Google PHP recaptcha

Paragonie Anti-CSRF Library

Enhanced BCrypt Encryption

PHP GnuPG Emailer

PHP CSP Builder



Documents

OWASP PHP Top 5




Legacy Pages

The pages below are from 2005-2014 when this project was maintained by a different team. These pages have been kept so that no links are broken, and because there might be certain situations, particularly with extremely legacy apps, where their use might be appropriate. THere is great advice below, but be careful, there is also outdated advice as well.

PHP Security for Architects

PHP Security for Developers

PHP Security for Deployers

PHP Configuration Cheat Sheet

PHP CSRF Guard

Log Injection

OWASP PHP Security Project

OWASP PHP Security Project Roadmap

OWASP RBAC Project

OWASP VaultDB Project

OWASP PHPRBAC Project

OWASP WebGoatPHP


The previous version of this PHP Project home page is archived here: OWASP_PHP_Project_Archive_(03.2015)