Easily Generate Rest API Url <= 1.0.0 - Admin+ Stored Cross-Site Scripting

The plugin does not escape some of its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

PoC

Put the following payload in the “Post Per Page” or “Enter Search Text”: settings of the plugin: "autofocus onfocus=alert(1)//