ATutor 1.x - 'print.php?section' Remote File Inclusion
source: https://www.securityfocus.com/bid/15221/info
ATutor is prone to multiple vulnerabilities.
These issues can allow remote attackers to execute arbitrary PHP commands and carry out local file include and cross-site scripting attacks.
ATutor 1.5.1-pl1 and prior versions are affected.
http://www.example.com/documentation/common/print.php?section=[file]%00