The Email Subscribers by Icegram Express – Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin for WordPress is vulnerable to time-based SQL Injection via the db parameter in all versions up to, and including, 5.7.23 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘options[listid]’ parameter in all versions up to, and including, 5.7.22 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

A vulnerability in Icegram Email Subscribers & Newsletters email-subscribers.This issue affects Email Subscribers & Newsletters: from n/a through <= 5.5.2.

Missing Authorization vulnerability in Icegram.This issue affects Icegram: from n/a through 3.1.21.

The Icegram Express plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 5.6.23 via the showeslogs function. This allows administrator-level attackers to read the contents of arbitrary files on the server, which can contain sensitive information including those belonging to other sites, for example in shared hosting environments.