This Metasploit module exploits a command injection vulnerability found in Hastymail 2.1.1 RC1 due to the insecure usage of the call_user_func_array() function on the "lib/ajax_functions.php" script. Authentication is required on Hastymail in order to exploit the vulnerability. The module has been successfully tested on Hastymail 2.1.1 RC1 over Ubuntu 10.04.
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