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I have a form with one textarea field. The field is set to accept anything and stores the input in the database when submitted. The code is then made public as a url ex: domain.com/asd. I’m not doing any type of strip_tags, htmlentities or any type of xss prevention.
My Question is, what harm can this possibly cause. Can a user do any type of xss to fetch information from the database during either input or output.
XSS does not make any attacks possible against your server which would not be possible without XSS. What XSS does is to enable an unauthorized user to act as an authorized user. If you don’t have user authentication on your site, XSS is usually not a threat.