Shareaholic < 9.7.6 - Information Disclosure

The plugin does not have proper authorisation check in one of the AJAX action, available to unauthenticated (in v < 9.7.5) and author+ (in v9.7.5) users, allowing them to call it and retrieve various information such as the list of active plugins, various version like PHP, cURL, WP etc. 

https://example.com/wp-admin/admin-ajax.php?action=shareaholic_debug_info

In v < 9.7.5, unauthenticated users can access it, in 9.7.5 it's only available to author roles and above