What potential security risks are associated with the use of register_globals in PHP, and why is it recommended to set it to "Off"?

Using register_globals in PHP can lead to security vulnerabilities such as variable injection and overwrite attacks. It is recommended to set register_globals to "Off" to prevent these risks and ensure that variables are properly initialized and used. 

// Set register_globals to "Off" in php.ini file
// Or use the following code snippet in your PHP script
ini_set('register_globals', 0);

Keywords

register_globals security risks PHP recommended Off

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