November 2018
Beginner to intermediate
270 pages
7h 53m
English
On February 1st, 2016, a researcher named Akhil Reni published a CSRF vulnerability that allows a malicious user to disconnect Shopify's profiles from Twitter.
The vulnerable request that Akhil Reni analyzed is the following:
GET /auth/twitter/disconnect HTTP/1.1 Host: twitter-commerce.shopifyapps.com User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:43.0) Gecko/20100101 Firefox/43.0 Accept: text/html, application/xhtml+xml, application/xml Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: https://twitter-commerce.shopifyapps.com/account Cookie: _twitter-commerce_session=bmpuTE5EdnUvYUU0eGxJRk1kMWo5WkI3Wmh1clJkempOTDcya2R3eFNIMG8zWGdpenMvTXY4eFczTWUrNGRQeXV4ZGVycEVtTDZWcFZVbEg1eEtFQjhzSEJVbkM5K05VUVJaeHVtNXBnNTJCNTdwZ2hLL0x0Kyt4eUVlSjRIOWdYTkcwd1NQWWJnbjRNaTF5UXlwa1ZIUlAwR1JmZ1Y5WmRvN2ZHWFY5REZSUmlsR0lnMHZlSjR1OTlTMW5xWDdZRnVGSnBSeEhqbWpNS3lYZmxBNjZoVE00L3pQT2NMd1NONkdwb2pkMXhDS1E2M2RXYlovZjYwaUZnV0JQKzQySlN0MTNKNG55Zlg2azFDdVJJL3RidmJMM0VJNmRVejhZbjVDTnFZNmxFN0k9LS1lY1Y2dnpBZTJCalZzS014SldFUllBPT0%3D--77463ef21e4c8ef530f466db49f78b8e1c2e1129; ...
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