Update the WordPress Image Hover Effects Ultimate plugin to the latest available version (at least 9.7.1).
Krzysztof Zając discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress Image Hover Effects Ultimate Plugin. This could allow a malicious actor to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into your website which will be executed when guests visit your site. This vulnerability has been fixed in version 9.7.1.
9.8.4) Admin+ Stored XSS vulnerability
Auth. WordPress Options Change vulnerability
Authenticated Reflected CrossSite Scripting (XSS) vulnerability
Unauthenticated Arbitrary Options Update leading to full website compromise