The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to unauthorized access of data, modification of data, and loss of data due to a missing capability check on the handleajaxrequest function in all versions up to, and including, 5.7.19. This makes it possible for authenticated attackers, with subscriber-level access and above, to cause a loss of confidentiality, integrity, and availability, by performing multiple unauthorized actions. Some of these actions could also be leveraged to conduct PHP Object Injection and SQL Injection attacks.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Icegram Email Subscribers & Newsletters allows SQL Injection.This issue affects Email Subscribers & Newsletters: from n/a through 5.7.25.

The Email Subscribers by Icegram Express – Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the gettemplatecontent function in all versions up to, and including, 5.7.17. This makes it possible for authenticated attackers, with subscriber access and above, to obtain the contents of private and password-protected posts.

The Email Subscribers by Icegram Express – Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'previewemailtemplatedesign' function in all versions up to, and including, 5.7.34. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract sensitive data including the content of private, password protected, pending, and draft posts and pages.