Installing on Debian/Ubuntu:

sudo apt-get install libcurl4-gnutls-dev libopenssl-ruby libxml2 libxml2-dev libxslt1-dev ruby-dev

git clone https://github.com/wpscanteam/wpscan.git

cd wpscan

sudo gem install bundler && bundle install --without test development

Installing on Fedora:

sudo yum install gcc ruby-devel libxml2 libxml2-devel libxslt libxslt-devel libcurl-devel

git clone https://github.com/wpscanteam/wpscan.git

cd wpscan

sudo gem install bundler && bundle install --without test development

Installing on Archlinux:

pacman -Syu ruby

pacman -Syu libyaml

git clone https://github.com/wpscanteam/wpscan.git

cd wpscan

sudo gem install bundler && bundle install --without test development

gem install typhoeus

gem install nokogiri

Installing on Mac OSX:

git clone https://github.com/wpscanteam/wpscan.git

cd wpscan

sudo gem install bundler && bundle install --without test development