Xss Edit Meaning

1.

cross site scripting.

the website suffers from an xss vulnerability allowing remote javascript execution.

See mike

2.

XSS = Cross Site Scripting

XSS allow you to execute JavaScript,to steal cookies,redirect,insert malicious script in a vulnerable site.

just try this on some site's

<script>alert('xss')</script>

or

"><script>alert('xss')</script>

and all bullshits to bypass filters

See xss, vulnerable, hack