The Logo Showcase with Slick Slider WordPress plugin before 1.2.5 does not have CSRF and authorisation checks in the lswss_save_attachment_data AJAX action, allowing any authenticated users, such as Subscriber, to change title, description, alt text, and URL of arbitrary uploaded media.

The Logo Showcase with Slick Slider WordPress plugin before 1.2.5 does not have CSRF and authorisation checks in the lswss_save_attachment_data AJAX action, allowing any authenticated users, such as Subscriber, to change title, description, alt text, and URL of arbitrary uploaded media.