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you think that's dangerous...
<a href="javascript:alert('doh')">alert</a> Maybe i should examine the security implications of this... tbh, i prefered it without the a href linking.
i didn't have to hover over links here to see if they are good to click or not. <a href="javascript:var%20v=document.forms[0];v.title.value='I%20AM%20A%20FAGGOT!';v.body.value='HUMP%20MY%20RUMP!';submitpost(v);">Click for a good time!</a>
I think all issues can be addressed.
First, the misleading URL demonstrated by spirit can be mitigated by making raw URLs look different that anchor tags, using color or other formatting. Second, the http-based XSS attack spirit showed can be fixed by making the logout button require POST instead of GET. Third, the javascript-based XSS attacks as demonstrated by czg can be prevented by being stricter about the URL (i.e. requiring http:/ftp: at the beginning) i might consider allowing anchor tags only in discussion/news threads, and not in posts. This means our news can look nicer, and anything malicious is easily moderated (since threads are few compared to posts.)
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