Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPDeveloper NotificationX allows Stored XSS. This issue affects NotificationX: from n/a through 2.9.5.

The NotificationX – Live Sales Notification, WooCommerce Sales Popup, FOMO, Social Proof, Announcement Banner & Floating Notification Top Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's content settings for notifications in all versions up to, and including, 2.9.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The NotificationX – Best FOMO, Social Proof, WooCommerce Sales Popup & Notification Bar Plugin With Elementor plugin for WordPress is vulnerable to SQL Injection via the 'type' parameter in all versions up to, and including, 2.8.2 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 NotificationX plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.8.2. This is due to missing or incorrect nonce validation on the generate_conversions() function. This makes it possible for unauthenticated attackers to generate conversions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The NotificationX WordPress plugin before 2.3.9 does not sanitise and escape the nx_id parameter before using it in a SQL statement, leading to an Unauthenticated Blind SQL Injection