[Full-Disclosure] Re: Script Injection in Google Groups Beta

[n3td3v]

On Fri, 17 Dec 2004 21:29:24 +0000, n3td3v <xploitable at gmail.com> wrote:
> When I was testing Google Groups Beta
> (http://groups-beta.google.com/group/n3td3v) I found the script tags
> executed on the Google Groups site. This only seems to work while
> clicking on a reply thread, using the reply menu, featured on a given
> groups homepage, when an older thread gets a reply.
> 
> If the thread reply you try to open has a script in it, then the
> script executes, instead of taking you to the reply to the thread you
> were attempting to view.
> 
> An attacker can send a reply to a thread on Google Groups Beta with a
> carefully crafted script in it, to exploit Google Group Beta users!
> 
> This is probably just the tip of the ice berg of something bigger, but
> I thought I better mention it before malicious users started
> exploiting people.
> 
> Discovered today by n3td3v.
> 
> Thanks, n3td3v.
> 

Proof of concept:
http://groups-beta.google.com/group/n3td3v/browse_thread/thread/2379f18f5986c985