tralfamadore.com: Xsstc: Cross-site scripting through CSSI've been doing a lot of reading on cross-domain scripting approaches. Generally speaking, the browser is sandboxed by the same-origin policy, and mashups that want to incorporate data from external sites, even if those sites are cooperating, need to provide server-side proxies. There are a couple of popular workarounds: (1) using the hash (#) portion of the URL, which can be read between frames,
