    public function makeFixes() {
        $r = array();
        $r['table@background'] = new HTMLPurifier_AttrTransform_Background();
        $r['td@background']    = new HTMLPurifier_AttrTransform_Background();
        $r['th@background']    = new HTMLPurifier_AttrTransform_Background();
        $r['tr@background']    = new HTMLPurifier_AttrTransform_Background();
        $r['thead@background'] = new HTMLPurifier_AttrTransform_Background();
        $r['tfoot@background'] = new HTMLPurifier_AttrTransform_Background();
        $r['tbody@background'] = new HTMLPurifier_AttrTransform_Background();
        $r['table@height']     = new HTMLPurifier_AttrTransform_Length('height');
        return $r;
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.