Netsparker detected that autocomplete is enabled in one or more of the form fields which might contain sensitive information like "username", "credit card" or "CVV".
If user chooses to save, data entered in these fields will be cached by the browser. An attacker who can access the victim's browser could steal this information. This is especially important if the application is commonly used in shared computers, such as cyber cafes or airport terminals.
autocomplete="off"to the form tag or to individual "input" fields. However, since early 2014, major browsers don't respect this instruction, due to their integrated password management mechanism, and offer to users to store password internally.