Of course nobody else seems to worry about this in other wikis, so should we?
-Currently only people with direct commit access can upload such files
+People with direct commit access can upload such files
(and if you wanted to you could block that with a pre-commit hook).
-Users with only web commit access are limited to editing pages as ikiwiki
-doesn't support file uploads from browsers (yet), so they can't exploit
-this.
+
+The attachments plugin is not enabled by default. If you choose to
+enable it, you should make use of its powerful abilities to filter allowed
+types of attachments, and only let trusted users upload.
It is possible to embed an image in a page edited over the web, by using
`img src="data:image/png;"`. Ikiwiki's htmlscrubber only allows `data:`