Project Information:template Vicnum Project

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OWASP Vicnum Project

OWASP Vicnum Project is a collection of intentionally vulnerable web applications.


A lightweight vulnerable web application based on a game played to kill time. It demonstrates common web application vulnerabilities such as cross site scripting. Vicnum is especially helpful to IT auditors who need to hone web security skills.

Project Goal

Test web application scanners Test manual attack techniques Test source code analysis tools Look at the code that allows the vulnerabilities Modify code to fix vulnerabilities Test web application firewalls Examine evidence left by attacks


OWASP Vicnum is free to use. It is licensed under the Creative Commons Attribution-ShareAlike 3.0 license], so you can copy, distribute and transmit the work, and you can adapt it, and use it commercially, but all provided that you attribute the work and if you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

Where is Vicnum?

Vulnerable VM of some Vicnum applications is downloadable from sourceforge.

Since individual applications within the project are contstantly being updated, not everything is on that VM. Individual components are either on sourceforge or on github.

Vicnum applications are also distributed as part of the Broken Web Application Project (see

Vicnum applications are also typically available online at


Project Leader

Mordecai Kraushar

Nicole Becher

Related Projects

Quick Downloads

News and Events

In Print

This project can be purchased as a print on demand book from


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Vicnum is developed by a worldwide team of volunteers. The primary contributors to date have been:

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As of February, the priorities are:

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Involvement in the development and promotion of Vicnum is actively encouraged! You do not have to be a security expert in order to contribute. Some of the ways you can help:

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