Subscribers Text Counter < 1.7.1 - Settings Update via CSRF to Stored XSS

Description The plugin does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack, which also lead to Stored Cross-Site Scripting due to the lack of sanitisation and escaping

PoC

Create an HTML file with the following content and have a logged in admin access it: Navigate to the plugin’s settings to trigger the XSS.