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Simon Willison’s Weblog

2 items tagged “jeremiahgrossman”

Crossdomain.xml Invites Cross-site Mayhem. A useful reminder that crossdomain.xml files should be treated with extreme caution. Allowing access from * makes it impossible to protect your site against CSRF attacks, and even allowing from a “circle of trust” of domains can be fatal if just one of those domains has an XSS hole. 0 15th May 2008, 8:06 am

CSRF presentation at RSA 2008. It terrifies me how few people understand CSRF, years after it was discovered. I’ll say it again: if you’re a web developer and you don’t know what that acronym means, go spend an hour reading about it—because the chances are your applications are vulnerable. 0 12th April 2008, 10:52 am

A django site