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OWASP Mutillidae II

OWASP Mutillidae II is a free, open-source, deliberately vulnerable web application providing a target for web-security enthusiasts. Mutillidae can be installed on Linux and Windows using LAMP, WAMP, and XAMMP. It is pre-installed on SamuraiWTF and OWASP BWA. The existing version can be updated on these platforms. With dozens of vulnerabilities and hints to help the user; this is an easy-to-use web hacking environment designed for labs, security enthusiast, classrooms, CTF, and vulnerability assessment tool targets. Mutillidae has been used in graduate security courses, corporate web sec training courses, and as an "assess the assessor" target for vulnerability assessment software.

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Installation on LAMP Stack

Video tutorials are available for each step. If you have a LAMP stack set up aleady, you might skip directly to installing Mutillidae. For detailed instructions, see the comprehensive guide

Installation on Docker

The following video tutorials explain how to bring up Mutillidae on a set of 5 containers running Apache/PHP, MySQL, OpenLDAP, PHPMyAdmin, and PHPLDAPAdmin


A large number of video tutorials are available on the webpwnized YouTube channel


  • Has over 40 vulnerabilities and challenges. Contains at least one vulnerability for each of the OWASP Top Ten 2007, 2010, 2013 and 2017
  • Actually Vulnerable (User not asked to enter “magic” statement)
  • Mutillidae can be installed on Linux or Windows *AMP stacks making it easy for users who do not want to install or administrate their own webserver. Mutillidae is confirmed to work on XAMPP, WAMP, and LAMP.
  • Preinstalled on Rapid7 Metasploitable 2, Samurai Web Testing Framework (WTF), and OWASP Broken Web Apps (BWA)
  • System can be restored to default with single-click of "Setup" button
  • User can switch between secure and insecure modes
  • Used in graduate security courses, in corporate web sec training courses, and as an "assess the assessor" target for vulnerability software
  • Updated frequently

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