String eid = Request["eid"];
...
EmployeeID.Text = eid;

<form runat="server">
   ...
   <asp:Label id="EmployeeID" runat="server"/>
   ...
</form>

...
string name = "";
using (SqlConnection conn = new SqlConnection(_ConnectionString))
{
string eid = Request["eid"];
SqlCommand cmd = new SqlCommand("SELECT * FROM emp WHERE id = @id", conn);
cmd.Parameters.AddWithValue("@id", eid);
conn.Open();
SqlDataReader objReader = cmd.ExecuteReader();

while (objReader.Read())
  {
    name = objReader["name"];
  }
  objReader.Close();
}
...

EmployeeName.Text = name;

<form runat="server">
   ...
   <asp:Label id="EmployeeName" runat="server"/>
   ...
</form>

func someHandler(w http.ResponseWriter, r *http.Request){
  r.parseForm()
  user := r.FormValue("user")
  ...
  fmt.Fprintln(w, "Username is: ", user)
}

func someHandler(w http.ResponseWriter, r *http.Request){
  ...
  row := db.QueryRow("SELECT name FROM users WHERE id =" + userid)
  err := row.Scan(&name)
  ...
  fmt.Fprintln(w, "Username is: ", name)
}

...
        val webview = findViewById<View>(R.id.webview) as WebView
        webview.settings.javaScriptEnabled = true
        val url = this.intent.extras!!.getString("url")
        webview.loadUrl(url)
...

val eid: String = request.getParameter("eid")
...
val out: ServletOutputStream = response.getOutputStream()
out.print("Employee ID: $eid")
...
out.close()
...

val stmt: Statement = conn.createStatement()
val rs: ResultSet = stmt.executeQuery("select * from emp where id=$eid")
rs.next()
val name: String = rs.getString("name")
...
val out: ServletOutputStream = response.getOutputStream()
out.print("Employee Name: $name")
...
out.close()
...

...
@property (strong, nonatomic) NSString *webContentFromURL;
...
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
  ...
  [self setWebContentFromURL:[url host]];
  ...
...

...
@property (strong, nonatomic) WKWebView *webView;
...
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
...
[_webView loadHTMLString:appDelegate.webContentFromURL] baseURL:nil];
...

...
@property (strong, nonatomic) WKWebView *webView;
@property (strong, nonatomic) UITextField *inputTextField;
...
[_webView loadHTMLString:_inputTextField.text baseURL:nil];
...

...
@property (strong, nonatomic) WKWebView *webView;
...
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:@"Employee" inManagedObjectContext:context];
[fetchRequest setEntity:entity];

NSArray *fetchedObjects = [context executeFetchRequest:fetchRequest error:&error];
for (NSManagedObject *info in fetchedObjects) {
  NSString msg = @"Hello, " + [info valueForKey:@"name"];
  [_webView loadHTMLString:msg baseURL:nil]
  ...
}
...

...
func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -> Bool {
    ...
    let name = getQueryStringParameter(url.absoluteString, "name")
    let html = "Hi \(name)"
    let webView = WKWebView()
    webView.loadHTMLString(html, baseURL:nil)
    ...
}
func getQueryStringParameter(url: String?, param: String) -> String? {
    if let url = url, urlComponents = NSURLComponents(string: url), queryItems = (urlComponents.queryItems as? [NSURLQueryItem]) {
        return queryItems.filter({ (item) in item.name == param }).first?.value!
    }
    return nil
}
...

...
let webView : WKWebView
let inputTextField : UITextField
webView.loadHTMLString(inputTextField.text, baseURL:nil)
...

let fetchRequest = NSFetchRequest()
let entity = NSEntityDescription.entityForName("Employee", inManagedObjectContext: managedContext)
fetchRequest.entity = entity
do {
    let results = try managedContext.executeFetchRequest(fetchRequest)
    let result : NSManagedObject = results.first!
    let name : String = result.valueForKey("name")
    let msg : String = "Hello, \(name)"
    let webView : UIWebView = UIWebView()
    webView.loadHTMLString(msg, baseURL:nil)
} catch let error as NSError {
    print("Error \(error)")
}

	req = self.request()  # fetch the request object
        eid = req.field('eid',None) # tainted request message
	...
	self.writeln("Employee ID:" + eid)

 ...
 cursor.execute("select * from emp where id="+eid)
 row = cursor.fetchone()
 self.writeln('Employee name: ' + row["emp"]')
 ...

...
DATA: BEGIN OF itab_employees,
        eid   TYPE employees-itm,
        name  TYPE employees-name,
      END OF itab_employees,
      itab LIKE TABLE OF itab_employees.
...
itab_employees-eid = '...'.
APPEND itab_employees TO itab.

SELECT *
  FROM employees
  INTO CORRESPONDING FIELDS OF TABLE itab_employees
  FOR ALL ENTRIES IN itab
  WHERE eid = itab-eid.
ENDSELECT.
...
response->append_cdata( 'Employee Name: ').
response->append_cdata( itab_employees-name ).
...

...
eid = request->get_form_field( 'eid' ).
...
response->append_cdata( 'Employee ID: ').
response->append_cdata( eid ).
...

  stmt.sqlConnection = conn;
  stmt.text = "select * from emp where id="+eid;
  stmt.execute();
  var rs:SQLResult = stmt.getResult();
  if (null != rs) {
    var name:String = String(rs.data[0]);
    var display:TextField = new TextField();
    display.htmlText = "Employee Name: " + name;
  }

var params:Object = LoaderInfo(this.root.loaderInfo).parameters;
var eid:String = String(params["eid"]);
...
var display:TextField = new TextField();
display.htmlText = "Employee ID: " + eid;
...

...
variable = Database.query('SELECT Name FROM Contact WHERE id = ID');
...

<div onclick="this.innerHTML='Hello {!variable}'">Click me!</div>

<script>
document.write('{!$CurrentPage.parameters.username}')
</script>

<script runat="server">
...
string query = "select * from emp where id=" + eid;
sda = new SqlDataAdapter(query, conn);
DataTable dt = new DataTable();
sda.Fill(dt);
string name = dt.Rows[0]["Name"];
...
EmployeeName.Text = name;
</script>

<form runat="server">
   ...
   <asp:Label id="EmployeeName" runat="server">
   ...
</form>

protected System.Web.UI.WebControls.Label EmployeeName;
...
string query = "select * from emp where id=" + eid;
sda = new SqlDataAdapter(query, conn);
DataTable dt = new DataTable();
sda.Fill(dt);
string name = dt.Rows[0]["Name"];
...
EmployeeName.Text = name;

<script runat="server">
...
EmployeeID.Text = Login.Text;
...
</script>

<form runat="server">
   <asp:TextBox runat="server" id="Login"/>
   ...
   <asp:Label runat="server" id="EmployeeID"/>
</form>

protected System.Web.UI.WebControls.TextBox Login;
protected System.Web.UI.WebControls.Label EmployeeID;
...
EmployeeID.Text = Login.Text;

...
EXEC SQL
  SELECT NAME
  INTO :ENAME
  FROM EMPLOYEE
  WHERE ID = :EID
END-EXEC.

EXEC CICS
  WEB SEND
  FROM(ENAME)
  ...
END-EXEC.
...

...
EXEC CICS
  WEB READ
  FORMFIELD(ID)
  VALUE(EID)
  ...
END-EXEC.

EXEC CICS
  WEB SEND
  FROM(EID)
  ...
END-EXEC.
...

 
<cfquery name="matchingEmployees" datasource="cfsnippets">
  SELECT name
  FROM Employees 
  WHERE eid = '#Form.eid#'
</cfquery>
<cfoutput>
Employee Name: #name#
</cfoutput>

<cfoutput>
Employee ID: #Form.eid#
</cfoutput>

func someHandler(w http.ResponseWriter, r *http.Request){
  r.parseForm()
  user := r.FormValue("user")
  ...
  fmt.Fprintln(w, "Username is: ", user)
}

func someHandler(w http.ResponseWriter, r *http.Request){
  ...
  row := db.QueryRow("SELECT name FROM users WHERE id =" + userid)
  err := row.Scan(&name)
  ...
  fmt.Fprintln(w, "Username is: ", name)
}

var http = require('http');
...

function listener(request, response){
  connection.query('SELECT * FROM emp WHERE eid="' + eid + '"', function(err, rows){
    if (!err && rows.length > 0){
      response.write('<p>Welcome, ' + rows[0].name + '!</p>');
    }
    ...
  });
  ...
}
...
http.createServer(listener).listen(8080);

var http = require('http');
var url = require('url');

...

function listener(request, response){
  var eid = url.parse(request.url, true)['query']['eid'];
  if (eid !== undefined){
    response.write('<p>Welcome, ' + eid + '!</p>');
  }
  ...
}
...
http.createServer(listener).listen(8080);

...
val stmt: Statement = conn.createStatement()
val rs: ResultSet = stmt.executeQuery("select * from emp where id=$eid")
rs.next()
val name: String = rs.getString("name")
...
val out: ServletOutputStream = response.getOutputStream()
out.print("Employee Name: $name")
...
out.close()
...

val eid: String = request.getParameter("eid")
...
val out: ServletOutputStream = response.getOutputStream()
out.print("Employee ID: $eid")
...
out.close()
...

...
        val webview = findViewById<View>(R.id.webview) as WebView
        webview.settings.javaScriptEnabled = true
        val url = this.intent.extras!!.getString("url")
        webview.loadUrl(url)
...

...
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {

    UIWebView *webView;
    NSString *partAfterSlashSlash = [[url host] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    webView = [[UIWebView alloc] initWithFrame:CGRectMake(0.0,0.0,360.0, 480.0)];
    [webView loadHTMLString:partAfterSlashSlash baseURL:nil]

...

<?php...
 $con = mysql_connect($server,$user,$password);
 ...
 $result = mysql_query("select * from emp where id="+eid);
 $row = mysql_fetch_array($result)
 echo 'Employee name: ', mysql_result($row,0,'name');
 ...
?>

<?php
	$eid = $_GET['eid'];
	...
?>
...
<?php
	echo "Employee ID: $eid";
?>

...
SELECT ename INTO name FROM emp WHERE id = eid;
HTP.htmlOpen;
  HTP.headOpen;
    HTP.title ('Employee Information');
  HTP.headClose;
  HTP.bodyOpen;
    HTP.br;
    HTP.print('Employee Name: ' || name || '');
    HTP.br;
  HTP.bodyClose;
HTP.htmlClose;
...

...
-- Assume QUERY_STRING looks like EID=EmployeeID
eid := SUBSTR(OWA_UTIL.get_cgi_env('QUERY_STRING'), 5);
HTP.htmlOpen;
  HTP.headOpen;
    HTP.title ('Employee Information');
  HTP.headClose;
  HTP.bodyOpen;
    HTP.br;
    HTP.print('Employee ID: ' || eid || '');
    HTP.br;
  HTP.bodyClose;
HTP.htmlClose;
...

	req = self.request()  # fetch the request object
        eid = req.field('eid',None) # tainted request message
	...
	self.writeln("Employee ID:" + eid)

 ...
 cursor.execute("select * from emp where id="+eid)
 row = cursor.fetchone()
 self.writeln('Employee name: ' + row["emp"]')
 ...

...
rs = conn.exec_params("select * from emp where id=?", eid)
...
Rack::Response.new.finish do |res|
  ...
  rs.each do |row|
    res.write("Employee name: #{escape(row['name'])}")
    ...
  end
end
...

eid = req.params['eid'] #gets request parameter 'eid'
Rack::Response.new.finish do |res|
  ...
  res.write("Employee ID: #{eid}")
end

  def getEmployee = Action { implicit request  =>

    val employee = getEmployeeFromDB()
    val eid = employee.id

    if (employee == Null) {
        val html = Html(s"Employee ID ${eid} not found")
        Ok(html) as HTML
    }
    ...
  }

...
let webView : WKWebView
let inputTextField : UITextField
webView.loadHTMLString(inputTextField.text, baseURL:nil)
...

...
func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -> Bool {
    ...
    let name = getQueryStringParameter(url.absoluteString, "name")
    let html = "Hi \(name)"
    let webView = UIWebView()
    webView.loadHTMLString(html, baseURL:nil)
    ...
}
func getQueryStringParameter(url: String?, param: String) -> String? {
    if let url = url, urlComponents = NSURLComponents(string: url), queryItems = (urlComponents.queryItems as? [NSURLQueryItem]) {
        return queryItems.filter({ (item) in item.name == param }).first?.value!
    }
    return nil
}
...

        ...
        eid = Request("eid")
        strSQL = "Select * from emp where id=" & eid
        objADORecordSet.Open strSQL, strConnect, adOpenDynamic, adLockOptimistic, adCmdText
        while not objRec.EOF
                Response.Write "Employee Name:" & objADORecordSet("name")
                objADORecordSet.MoveNext
        Wend
        ...

	...
	eid = Request("eid")
	Response.Write "Employee ID:" & eid & "<br/>"
	..

...
eid = request->get_form_field( 'eid' ).
...
CALL METHOD cl_http_utility=>escape_html
  EXPORTING
    UNESCAPED = eid
    KEEP_NUM_CHAR_REF = '-'
  RECEIVING
    ESCAPED = e_eid.
...
response->append_cdata( 'Employee ID: ').
response->append_cdata( e_eid ).
...

...
DATA: BEGIN OF itab_employees,
        eid   TYPE employees-itm,
        name  TYPE employees-name,
      END OF itab_employees,
      itab LIKE TABLE OF itab_employees.
...
itab_employees-eid = '...'.
APPEND itab_employees TO itab.

SELECT *
  FROM employees
  INTO CORRESPONDING FIELDS OF TABLE itab_employees
  FOR ALL ENTRIES IN itab
  WHERE eid = itab-eid.
ENDSELECT.
...
CALL METHOD cl_http_utility=>escape_html
  EXPORTING
    UNESCAPED = itab_employees-name
    KEEP_NUM_CHAR_REF = '-'
  RECEIVING
    ESCAPED = e_name.
...
response->append_cdata( 'Employee Name: ').
response->append_cdata( e_name ).
...

var params:Object = LoaderInfo(this.root.loaderInfo).parameters;
var eid:String = String(params["eid"]);
...
var display:TextField = new TextField();
display.htmlText = "Employee ID: " + escape(eid);
...

  stmt.sqlConnection = conn;
  stmt.text = "select * from emp where id="+eid;
  stmt.execute();
  var rs:SQLResult = stmt.getResult();
  if (null != rs) {
    var name:String = String(rs.data[0]);
    var display:TextField = new TextField();
    display.htmlText = "Employee Name: " + escape(name);
  }

...
variable = Database.query('SELECT Name FROM Contact WHERE id = ID');
...

<div onclick="this.innerHTML='Hello {!HTMLENCODE(variable)}'">Click me!</div>

<script>
document.write('{!HTMLENCODE($CurrentPage.parameters.username)}')
</script>

<script runat="server">
...
EmployeeID.Text = Server.HtmlEncode(Login.Text);
...
</script>

<form runat="server">
   <asp:TextBox runat="server" id="Login"/>
   ...
   <asp:Label runat="server" id="EmployeeID"/>
</form>

protected System.Web.UI.WebControls.TextBox Login;
protected System.Web.UI.WebControls.Label EmployeeID;
...
EmployeeID.Text = Server.HtmlEncode(Login.Text);

<script runat="server">
...
string query = "select * from emp where id=" + eid;
sda = new SqlDataAdapter(query, conn);
DataTable dt = new DataTable();
sda.Fill(dt);
string name = dt.Rows[0]["Name"];
...
EmployeeName.Text = Server.HtmlEncode(name);
</script>

<form runat="server">
   ...
   <asp:Label id="EmployeeName" runat="server">
   ...
</form>

protected System.Web.UI.WebControls.Label EmployeeName;
...
string query = "select * from emp where id=" + eid;
sda = new SqlDataAdapter(query, conn);
DataTable dt = new DataTable();
sda.Fill(dt);
string name = dt.Rows[0]["Name"];
...
EmployeeName.Text = Server.HtmlEncode(name);

	"<script>alert('<CFOUTPUT>HTMLCodeFormat(#Form.text#)</CFOUTPUT>')</script>";

func someHandler(w http.ResponseWriter, r *http.Request){
  r.parseForm()
  user := r.FormValue("user")
  ...
  fmt.Fprintln(w, "Username is: ", html.EscapeString(user))
}

func someHandler(w http.ResponseWriter, r *http.Request){
  ...
  row := db.QueryRow("SELECT name FROM users WHERE id =" + userid)
  err := row.Scan(&name)
  ...
  fmt.Fprintln(w, "Username is: ", html.EscapeString(name))
}

<SCRIPT>
var pos=document.URL.indexOf("eid=")+4;
document.write(escape(document.URL.substring(pos,document.URL.length)));
</SCRIPT>

...
        val webview = findViewById<View>(R.id.webview) as WebView
        webview.settings.javaScriptEnabled = true
        val url = this.intent.extras!!.getString("url")
        webview.loadUrl(URLEncoder.encode(url))
...

...
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
...
    UIWebView *webView;
    NSString *partAfterSlashSlash = [[url host] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    NSString *htmlPage = [NSString stringWithFormat: @"%@/%@/%@", @"...<input type=text onclick=\"callFunction('",
                         [DefaultEncoder encodeForHTML:partAfterSlashSlash],
			 @"')\" />"];
    webView = [[UIWebView alloc] initWithFrame:CGRectMake(0.0,0.0,360.0, 480.0)];
    [webView loadHTMLString:htmlPage baseURL:nil];
...

<?php
    $var=$_GET['text'];
    ...
    $var2=htmlspecialchars($var);
    echo "<script>alert('$var2')</script>";
?>