November 2018
Beginner to intermediate
270 pages
7h 53m
English
This bug is slightly more complex because it is a stored XSS reported on December 14th, 2015, by a bug bounty hunter called Ivan Gringorov.
He discovered XSS in a form where a user can customize a link for a personal online store. The fields in the form were not validating the inputs properly, and derived in an XSS.

These fields were stored in the application and then, when a user accessed the application, he saw the following result:

If you want to read the complete report, you can find the original post here: ...
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