Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Smackcoders SendGrid for WordPress allows SQL Injection.This issue affects SendGrid for WordPress: from n/a through 1.4.
The SendGrid for WordPress plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'wpmailplusclearlogs' function in all versions up to, and including, 1.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete the plugin's log files.