November 2018
Beginner to intermediate
270 pages
7h 53m
English
On July 8, 2018, a bug bounty hunter called Jedna Linijka published an SSTI vulnerability in Yahoo.
Using recognized tools, he found the http://datax.yahoo.com/swagger-ui.html URL, which showed him a 403 error code:

Taking this error as a starting point, he discovered that DataX is an API. He read the documentation and tested the different entry points he found. As a result, he got the next error page when trying the entry points:

The important result on this page is that it reflects the value entered by the user. First, ...
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