SQL Injection was possible due to incorrect validation order (CVE-2020-35701)

[TheWitness]

Describe the bug

Due to a lack of validation, data_debug.php can be the source of a SQL injection.

Expected behavior

Cacti should be safe from SQL injections

[TheWitness]

@paulgevers , @DavidLiedke, @mortenstevens, @ddb4github

FYI. One more already logged. I'll tag you guys on that one too.

[TheWitness]

@paulgevers, missed you on round one.