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Re: Cross Site Request Forgery and GET (ACTION-274)

From: Thomas Roessler <tlr@w3.org>
Date: Fri, 5 Jun 2009 15:56:52 +0200
To: noah_mendelsohn@us.ibm.com
Message-Id: <304F656D-1581-4DCC-892A-A5A10F621745@w3.org>
Cc: www-tag@w3.org
On 5 Jun 2009, at 00:36, noah_mendelsohn@us.ibm.com wrote:

> Granting that naive users won't know to do this, and even  
> sophisticated
> users can easily forget: to what extent can individuals protect  
> themselves
> by logging off from one site before visiting another.

In theory, that would help (though there are some tricks to cause  
logins when form fillers are active).

The real point here is, though, that today's web browsers will run  
several web applications at the same time; these applications might  
come from different origins, depend on each other, and talk to each  

In that circumstance, a "log out to prevent XSRF" practice just  
doesn't make sense.
Received on Friday, 5 June 2009 13:57:01 UTC

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