ShopCart Plus contains a flaw that allows a remote attacker to execute arbitrary commands. The flaw is due to no sanity checking on input supplied to the "file" variable. It is possible to supply a ";" and any valid unix command, which will be executed by the program.
Classification
Unknown or Incomplete
Solution
Currently, there are no known workarounds or upgrades to correct this issue.
However, Kabotie Software Technologies has released a patch to address this vulnerability.