What forums let you do that? Every forum I use (all based on Xenforo, admittedly) don't allow file uploads period, except for a small avatar. All other content

What forums let you do that? Every forum I use (all based on Xenforo, admittedly) don't allow file uploads period, except for a small avatar. All other content must be embedded through external links. Which Discord also supports. Not sure where the paywalling of forum features is happening there.