The Post Status Notifier Lite and Premium plugins for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘page’ parameter in all versions up to, and including, 1.11.6 due to insufficient input sanitization and output escaping. 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Timo Reith Post Status Notifier Lite plugin <= 1.11.0 versions.

The Post Status Notifier Lite WordPress plugin before 1.10.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which can be used against high privilege users such as admin.