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How do prepared statements help us prevent SQL injection attacks? Wikipedia says: Prepared statements are resilient against SQL injection, because parameter values, which are transmitted later using a different...
Let’s say I have code like this: $dbh = new PDO("blahblah"); $stmt = $dbh->prepare('SELECT * FROM users where username = :username'); $stmt->execute( array(':username' => $_REQUEST['username']) ); The PDO documentation...
Is there an SQL injection possibility even when using mysql_real_escape_string() function? Consider this sample situation. SQL is constructed in PHP like this: $login = mysql_real_escape_string(GetFromPost('login')); $password = mysql_real_escape_string(GetFromPost('password')); $sql...
Just looking at: (Source: https://xkcd.com/327/) What does this SQL do: Robert'); DROP TABLE STUDENTS; -- I know both ' and -- are for comments, but doesn’t the word DROP...
Is there a catchall function somewhere that works well for sanitizing user input for SQL injection and XSS attacks, while still allowing certain types of HTML tags? 1 18
This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. If user input is inserted without...