Allowing users to input JavaScript in a page and sharing it with other users? -

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I am allowing users to input JavaScript into web pages and share those users with other users. Let me do What could be the worst? Can I make it 'safe' in any way?

As described by others, if Javascript is displayed only to other users and not played It will be completely safe (do not take into account to run the course manually in the account).

If code is run, then there may be some bad things. One very bad thing is that your site is used to make a so-called puppet. The puppet is similar to the boatnet but uses the browser instead, and single puppets can be relatively small (which separates puppets from boatnets). Puppetry can be used to deny the delivery of service attacks, worm propaganda, spamming and more.

More about puppets can be found.


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