WolfNet IDX for WordPress <= 1.19.1 - Admin+ Stored XSS

Description The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

PoC

1. In the settings of the plugin, enter the following value in “Product Key”. The value is: "> 2. Click the ‘Save Changes’ button on the page. 3. Refresh or re-enter the page and move the mouse over the input box to get the XSS trigger.