docker-vulnerable-dvwa/dvwa/vulnerabilities/xss_s/source/impossible.php
2018-10-12 15:49:58 +00:00

32 lines
1.3 KiB
PHP

<?php
if( isset( $_POST[ 'btnSign' ] ) ) {
// Check Anti-CSRF token
checkToken( $_REQUEST[ 'user_token' ], $_SESSION[ 'session_token' ], 'index.php' );
// Get input
$message = trim( $_POST[ 'mtxMessage' ] );
$name = trim( $_POST[ 'txtName' ] );
// Sanitize message input
$message = stripslashes( $message );
$message = ((isset($GLOBALS["___mysqli_ston"]) && is_object($GLOBALS["___mysqli_ston"])) ? mysqli_real_escape_string($GLOBALS["___mysqli_ston"], $message ) : ((trigger_error("[MySQLConverterToo] Fix the mysql_escape_string() call! This code does not work.", E_USER_ERROR)) ? "" : ""));
$message = htmlspecialchars( $message );
// Sanitize name input
$name = stripslashes( $name );
$name = ((isset($GLOBALS["___mysqli_ston"]) && is_object($GLOBALS["___mysqli_ston"])) ? mysqli_real_escape_string($GLOBALS["___mysqli_ston"], $name ) : ((trigger_error("[MySQLConverterToo] Fix the mysql_escape_string() call! This code does not work.", E_USER_ERROR)) ? "" : ""));
$name = htmlspecialchars( $name );
// Update database
$data = $db->prepare( 'INSERT INTO guestbook ( comment, name ) VALUES ( :message, :name );' );
$data->bindParam( ':message', $message, PDO::PARAM_STR );
$data->bindParam( ':name', $name, PDO::PARAM_STR );
$data->execute();
}
// Generate Anti-CSRF token
generateSessionToken();
?>