SQL Injection |
Afternoon
I was struggling to get some data to insert in to MySQL but i have finally got that working - However, someone said I am wide open to an SQL injection attack and theyve not said anything else about it. This of course got me worried In my views I have a postcode.php and a submit.php (the submit is where the SQL query is saved). PHP Code: // SAVE POSTCODE & DELIVERY COST I kind of understand SQL injection. My knowledge is that a malicious using may be able to essentially change the query to suite their need such as drop a table etc. But how is mine not secure, and why is it wide open to an attack? Also, what can I immediately do to secure it
On what it is:
https://www.php.net/manual/en/security.d...ection.php And how you can bind/escape in Codeigniter: https://codeigniter.com/user_guide/datab...eries.html
Use the query builder, is super friendly. Check the link posted above
Also, enable global_xss_filtering on your config.php file. Note that this function is deprecated though so try not to depend on it. PHP Code: $config['global_xss_filtering'] = TRUE; In addition, check out the Security class https://codeigniter.com/user_guide/libra...urity.html.
Don't enable global_xss_filtering, it's deprecated for a reason. You should filter/validate on input and escape on output.
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