The User Activity Tracking and Log WordPress plugin before 4.0.9 does not have proper CSRF checks when managing its license, which could allow attackers to make logged in admins update and deactivate the plugin's license via CSRF attacks

The User Activity Log WordPress plugin before 1.6.5 does not correctly sanitise and escape several parameters before using it in a SQL statement as part of its exportation feature, allowing unauthenticated attackers to conduct SQL injection attacks.

The User Activity Log WordPress plugin before 1.6.3 does not properly sanitise and escape the `txtsearch` parameter before using it in a SQL statement in some admin pages, leading to a SQL injection exploitable by high privilege users such as admin.

The User Activity WordPress plugin through 1.0.1 checks headers such as the X-Forwarded-For to retrieve the IP address of the request, which could lead to IP spoofing

A vulnerability was found in Hibernate-Validator. The SafeHtml validator annotation fails to properly sanitize payloads consisting of potentially malicious code in HTML comments and instructions. This vulnerability can result in an XSS attack.