source: https://www.securityfocus.com/bid/60823/info

GLPI is prone to a remote PHP code-execution vulnerability. 

An attacker can exploit this issue to inject and execute arbitrary PHP code in the context of the affected application. This may facilitate a compromise of the application and the underlying system; other attacks are also possible. 

GLPI 0.83.9 is vulnerable; other versions may also be affected.

An attacker can exploit this issue using a web browser. 

The following example URI is available: 

http://www.example.com/glpi/front/ticket.form.php?id=1&_predefined_fields=[XXXX]