A vulnerability has been found and corrected in GLPI:

The autocompletion functionality in GLPI before 0.80.2 does not
blacklist certain username and password fields, which allows remote
attackers to obtain sensitive information via a crafted POST request
(CVE-2011-2720).

This advisory provides the latest version of GLPI (0.80.6) which are
not vulnerable to this issue. Additionally the latest versions of
the corresponding plugins are also being provided.