CLTPHP <=6.0 is vulnerable to Improper Input Validation via application/admin/controller/Template.php.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.