The Icegram Express formerly known as Email Subscribers WordPress plugin before 5.7.52 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup).

The Subscribe2 – Form, Email Subscribers & Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ip parameter in all versions up to, and including, 10.43 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Email Subscribers by Icegram Express WordPress plugin before 5.7.45 does not sanitise and escape some of its Workflow settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup).

The Email Subscribers by Icegram Express WordPress plugin before 5.7.45 does not sanitise and escape some of its form settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup).

The Email Subscribers by Icegram Express WordPress plugin before 5.7.45 does not sanitise and escape some of form settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup).

The Email Subscribers by Icegram Express WordPress plugin before 5.7.44 does not sanitize and escape a parameter before using it in a SQL statement, allowing admins to perform SQL injection attacks