6
votes
5answers
3k views

XSS : Blacklist characters vs. whitelist

I have been studying to prevent my web app against XSS. I read about it on OWASP and other security channels, they all say that use ESAPI and similar library, and also do input filtering through ...
6
votes
1answer
384 views

White list or black list sanitation for international input?

There seem to be so many ways to create nefarious input that white-listing what input is good usually feels like the safer, simpler option. For instance, one can fairly easily craft a white list ...