My PHP application is being attacked by adding a UNION statement to input of username. Specifically, where I check for input of a valid username the sql is modified to be select username from user where username = '-8546' UNION…
If I have a user input form, but the data from this is used purely to make comparisons in PHP, can it be subject to a SQL injection risk? I assume not, and that it is only where I want…
So I'm left a little confused why on WordPress there is a method like esc_like(): https://developer.wordpress.org/reference/classes/wpdb/esc_like/ The advice is that parameter that will be used by LIKE must be escaped with esc_like() to make it safe, like this: $wild =…
Currently moving a web application over to using Knex to help with issues to do with SQL injection. Knex has helped us to stop the issue of running different and new queries however we have a point of concern. Currently…
Trying to exploit SQL injection for my assignment. Is it possible to execute delete or drop query after order by in select query without using the semicolon in Postgresql? This is my sample query: Select * from table order by…
I know most people say to just use prepared statements, but I have a site with many existent queries and I need to sanitize the variables by the mysqli_real_escape_string() function method. Also the php manual of mysqli_query() says mysqli_real_escape_string() is…
I'm trying to learn Node.js and I'm currently making an Express app (using ejs) that will return values from a MySQL database, depending on the URL the user visits. For example, visiting http://localhost:3000/test will list all users from the db…
I have this code: if(isset($_POST['submit'])) { $name = $_POST['name']; $query = mysqli_query($conn, "select name from accounts where name = '{$name}'"); if($query) { echo "success"; } else { echo "error"; } } ?> <form action="" method="post"> Name: <input type="text" name="name"><br><br> <input…
Following source codes need to avoid sql-injection? if $some_text of example is sql-injected attack, following source codes are dangerous? General Magento code $tmp_sale_info_collection = Mage::getModel('some/module') ->getCollection() ->addFieldToFilter('seller_id', array('eq' => $some_text)); Use getSelect() inner join $orderItem = Mage::getModel('sales/order_item')->getCollection(); $orderItem->getSelect() ->joinInner( array(…
I have found stripslashes function but I would rather find where I am adding more slashes than I should. My functions use mysql_real_escape_string once for each variable and I am querying database using "insert into foo(bar,bar) values($baz,$baz)" maybe this is…