RSS Feed/News Temporary attachments should only be viewable by the session/user which adds them

[ENXF NET]

XenForo implements temporary attachments without additional constraints to view them. This sadly can be exploited for spam:

BassMan said:
Or this one...

Upload images in the quick editor and never post a reply. Use the URL of those images in an email for various phishing attacks. The URL points to your forum (images are uploaded to your server).
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BassMan
The only real solution is to lock viewing temporary attachments to the session which created them for guests, or for the logged in user.

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