    protected function assertCsvUploaded($csv) {
        $uploadedPath = implode(DIRECTORY_SEPARATOR, array(
            Yii::app()->basePath,
            'data',
            'data.csv'
        ));
        $this->assertFileExists ($uploadedPath);
        $this->assertFileEquals ($csv, $uploadedPath);
    }
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.