Restrict user role access and permissions
Posted: Mon Apr 21, 2025 4:47 am
SQL query in phpMyAdmin
Remember to change the database prefix to the one you chose when editing the wp-config.php file.
For further instructions, you can check out our tutorial on how to change your WordPress database prefix for better security .
4. Validate user data
Hackers commonly inject SQL attacks into your website using user data entry fields, such as comment sections or contact form fields .
For this reason, it is important to validate all data submitted to your WordPress blog. This means that user data will not be submitted to your site if it does not follow a specific format.
For example, a user will not be able to submit the form if the email address field does not contain the '@' symbol. By adding this powerful feature to most form fields, SQL injection attacks can be prevented.
To do this, you need Formidable Forms , an advanced form builder plugin. It has an “Input Mask Format” option where you can add the format that users must follow to submit the form field data.
You can add a specific format for phone numbers or individual text fields.
Add hone number format
If you don’t want to validate your form fields, we recommend WPForms because it’s the best contact iceland telemarketing data form plugin with full spam protection and Google reCAPTCHA support.
It also allows you to add drop-down menus and checkboxes to forms, making it difficult for hackers to add malicious data.
wpforms
For more details, see our tutorial on how to create a secure contact form in WordPress .
Another tip to prevent WordPress SQL injection attacks is to limit user access to your website.
For example, if your blog is multi-author , you will have multiple authors, subscribers, and administrators. In this case, you can improve the security of your site by limiting full access to the administrator.
You can limit all other user roles to the specific functions they need to do their job. This reduces user access to the database and prevents SQL injection attacks.
Remember to change the database prefix to the one you chose when editing the wp-config.php file.
For further instructions, you can check out our tutorial on how to change your WordPress database prefix for better security .
4. Validate user data
Hackers commonly inject SQL attacks into your website using user data entry fields, such as comment sections or contact form fields .
For this reason, it is important to validate all data submitted to your WordPress blog. This means that user data will not be submitted to your site if it does not follow a specific format.
For example, a user will not be able to submit the form if the email address field does not contain the '@' symbol. By adding this powerful feature to most form fields, SQL injection attacks can be prevented.
To do this, you need Formidable Forms , an advanced form builder plugin. It has an “Input Mask Format” option where you can add the format that users must follow to submit the form field data.
You can add a specific format for phone numbers or individual text fields.
Add hone number format
If you don’t want to validate your form fields, we recommend WPForms because it’s the best contact iceland telemarketing data form plugin with full spam protection and Google reCAPTCHA support.
It also allows you to add drop-down menus and checkboxes to forms, making it difficult for hackers to add malicious data.
wpforms
For more details, see our tutorial on how to create a secure contact form in WordPress .
Another tip to prevent WordPress SQL injection attacks is to limit user access to your website.
For example, if your blog is multi-author , you will have multiple authors, subscribers, and administrators. In this case, you can improve the security of your site by limiting full access to the administrator.
You can limit all other user roles to the specific functions they need to do their job. This reduces user access to the database and prevents SQL injection attacks.