When creating a HubSpot form using the file upload field type, there is no capability to filter what the user uploads. At the very least, there should be options to include only specific file types (JPG, JPEG, PNG, etc.) or specifically exclude certain files (EXE, PHP, etc.). This is a security issue. Also, size restrictions would be a good idea, such as "only allow files 2MB or less", for example. These are all sort of standard in most form, plugin and upload scripts that are available commercially or for free, so very surprised HubSpot doesn't have this already. Perhaps it can be added?
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