Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WordPress Download Manager Premium Packages allows Blind SQL Injection. This issue affects Premium Packages: from n/a through 5.9.6.

The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 5.9.3. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpdmpp_pay_link shortcode in all versions up to, and including, 5.9.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in W3 Eden, Inc. Premium Packages allows SQL Injection.This issue affects Premium Packages: from n/a through 5.9.3.

The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 5.9.1. This is due to missing nonce validation on the addRefund() function. This makes it possible for unauthenticated attackers to perform actions such as initiating refunds via a forged request granted they can trick a site administrator or shop manager into performing an action such as clicking on a link.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in W3 Eden, Inc. Premium Packages allows Reflected XSS.This issue affects Premium Packages: from n/a through 5.8.2.

The Premium Packages - Sell Digital Products Securely plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.7.4 due to insufficient restriction on the 'wpdmpp_update_profile' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify their user role by supplying the 'profile[role]' parameter during a profile update.