I've written about XSS (cross-site scripting) numerous times on this blog. If you run a job board, or manage your recruitment website take note... XSS is a very serious problem!
For more information about XSS, see a previous blog post titled: How secure is your Recruitment website? Part 5 - Cross-site scripting (XSS)

In this episode below, they specifically talk about XSS attacks on employment websites. The XSS example on job boards starts from 3:40