Simon Willison’s Weblog

Monday, 5th March 2007

JSON is not as safe as people think it is. Joe Walker reminds us that even authenticated JSON served without a callback or variable assignment is vulnerable to CSRF in Firefox, thanks to that browser letting you redefine the Array constructor. # 10:51 pm

Dashcode review. “Dashcode is quite possibly the best non-Firebug Javascript environment I’ve ever used.” High praise indeed. # 9:06 pm

Wrong-headed impersonation. Kim Cameron discusses user absent authentication, and emphasises the importance of delegation using delegation coupons. # 2:38 pm