Rizgar has discovered a vulnerability in PHPCentral Poll, which can be exploited by malicious people to compromise a vulnerable system.
An incorrect use of the "extract()" function in functions.php can be exploited to overwrite certain server set variables. This can further be exploited to include arbitrary files from local or external resources e.g. via the "_SERVER[DOCUMENT_ROOT]" parameter in poll.php and pollarchive.php.
Solution: Edit the source code to ensure that input is properly verified.
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