CVE-2010-3978
Spree 0.11.x before 0.11.2 and 0.30.x before 0.30.0 exchanges data using JavaScript Object Notation (JSON) without a mechanism for validating requests, which allows remote attackers to obtain sensitive information via vectors involving (1) admin/products.json, (2) admin/users.json, or (3) admin/overview/get_report_data, related to a "JSON hijacking" issue.
Date published : 2010-11-17
http://www.securityfocus.com/archive/1/514674/100/0/threaded
http://spreecommerce.com/blog/2010/11/02/json-hijacking-vulnerability/