Description
WordPress Plugin Work The Flow File Upload is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly sanitize 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 Work The Flow File Upload version 2.5.2 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.5.3 or latest
References
https://www.homelab.it/index.php/2015/04/04/wordpress-work-the-flow-file-upload-vulnerability/
https://www.exploit-db.com/exploits/36640/
http://packetstormsecurity.com/files/131294/WordPress-Work-The-Flow-2.5.2-Shell-Upload.html
http://packetstormsecurity.com/files/131512/WordPress-Work-The-Flow-Upload.html