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Start learningUpgrade verot/class.upload.php
to version 2.0.8, 1.0.7 or higher.
verot/class.upload.php is a PHP class that can be used to upload files and manipulate images very easily.
Affected versions of this package are vulnerable to Arbitrary File Upload. The following extensions could be used to bypass the blacklist provided by the package and achieve code execution under certain circumstances.