Multiple PHP object injection vulnerabilities affecting three WordPress Plugins

[Summer of Pwnage <lists () securify nl>]

Please see attached advisories for more information. These issues were 
found during Summer of Pwnage (https://sumofpwn.nl), a Dutch community 
project. Its goal is to contribute to the security of popular, widely 
used OSS projects in a fun and educational way.

Attachment: cms_commander_client_wordpress_plugin_unauthenticated_php_object_injection_vulnerability.txt
Description:

Attachment: google_forms_wordpress_plugin_unauthenticated_php_object_injection_vulnerability.txt
Description:

Attachment: infinitewp_client_wordpress_plugin_unauthenticated_php_object_injection_vulnerability.txt
Description: