At just 17 years old, Miguel Angel Jimeno has discovered security holes in Google, eBay and Tumblr. XSS holes allow malicious code to be injected on Web pages, applications or browsers and then executed. His work has been praised by renowned IT security experts including Chema Alonso. Miguel Angel is now studying at High School, though he hopes one day to become a professional programmer or Pen Tester Hes keen to enter a sector in which, as he himself has shown, even the slightest mistake is crucial.”]
Source: https://informationsecuritybuzz.com/news/17-year-old-spaniard-finds-silly-bugs-google-ebay/