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$ ruby1.8.7 xss.rb
KCODE: NONE
1
KCODE: UTF8
1
$ bin/rbx xss.rb
KCODE: NONE
1
KCODE: UTF8
nil
xss.rb
Ruby
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str = "\xF6<script>"
 
$KCODE = ''
puts "KCODE: " + $KCODE
p(str =~ /</)
 
$KCODE = 'u'
puts "KCODE: " + $KCODE
p(str =~ /</)

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