sql-injection Archives

Programming, sql

IT Nursery

How can prepared statements protect from SQL injection attacks?

How do prepared statements help us prevent SQL injection attacks? Wikipedia says: Prepared statements are resilient against SQL injection, because parameter values, which ...

May 29, 2022
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Are PDO prepared statements sufficient to prevent SQL injection?

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' ...

April 27, 2022
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SQL injection that gets around mysql_real_escape_string()

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 ...

April 25, 2022
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

Just looking at: (Source: https://xkcd.com/327/) What does this SQL do: Robert'); DROP TABLE STUDENTS; -- I know both ' and -- are for ...

April 14, 2022
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How can I sanitize user input with PHP?

Is there a catchall function somewhere that works well for sanitizing user input for SQL injection and XSS attacks, while still allowing certain ...

April 14, 2022
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How can I prevent SQL injection in PHP?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 10, 2022
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