It indicates a possible exploit of a PHP remote file inclusion vulnerability in ActionApps.
This flaw is due to input validation errors in various scripts, that do not validate the "GLOBALS[AA_INC_PATH]" parameter, which could be exploited by remote attackers to include malicious scripts and execute arbitrary commands with the privileges of the web server.
ActionApps version 2.8.1 and prior
The execution of arbitrary code on the system.
Upgrade to the latest version of the vulnerable software.