Update routes.py#2
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| if name: | ||
| cursor.execute( | ||
| "SELECT * FROM books WHERE name LIKE %s", name | ||
| "SELECT * FROM books WHERE name LIKE '%" + name + "%'" |
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SQL query built from user-controlled sources
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AI about 1 year ago
To fix the problem, we need to use parameterized queries instead of directly concatenating user input into the SQL query. Parameterized queries ensure that user input is properly escaped and treated as data rather than executable code, thus preventing SQL injection attacks.
In this specific case, we will modify the SQL query on line 16 to use a parameterized query. We will use the LIKE operator with a parameter placeholder and pass the user input as a parameter to the execute method.
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1
server/routes.py
| @@ -15,3 +15,3 @@ | ||
| cursor.execute( | ||
| "SELECT * FROM books WHERE name LIKE '%" + name + "%'" | ||
| "SELECT * FROM books WHERE name LIKE %s", ('%' + name + '%',) | ||
| ) |
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