Directory traversal vulnerability in WebAPP 0.9.9 allows remote attackers to view arbitrary files via a .. (dot dot) in the viewcat parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17100
http://marc.info/?l=bugtraq&m=109336268002879&w=2
http://cornerstone.web-app.org/cgi-bin/index.cgi?action=downloadinfo&cat=updates&id=1