What is XSS?

"Often people refer to Cross Site Scripting as CSS. There has been a lot of confusion with Cascading Style Sheets (CSS) and cross site scripting. Some security people refer to Cross Site Scripting as XSS. If you hear someone say "I found a XSS hole", they are talking about Cross Site Scripting for certain." - "The Cross Site Scripting FAQ"


Also See 'Cross Site Scripting'
What is Cross Site Scripting?