Description
WordPress Plugin Csv2WPeC Coupon is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Csv2WPeC Coupon version 1.1 is vulnerable; prior versions may also be affected.
Remediation
Edit the source code to ensure that input is properly verified or disable the plugin until a fix is available
References
http://www.vapidlabs.com/advisory.php?v=153
https://blogs.akamai.com/2015/12/developing-a-poc-step-by-step.html
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PrestaShop Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2013-6358)