The Stylish Price List WordPress plugin before 7.1.8 does not sanitise and escape some of its settings, which could allow high privilege users of contributor and above to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
The Stylish Price List WordPress plugin before 7.1.12 does not sanitise and escape some of its settings, which could allow high privilege users such as contributor to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
The Stylish Price List WordPress plugin before 6.9.0 does not perform capability checks in its spl_upload_ser_img AJAX action (available to both unauthenticated and authenticated users), which could allow unauthenticated users to upload images.
The Stylish Price List WordPress plugin before 6.9.1 does not perform capability checks in its spl_upload_ser_img AJAX action (available to authenticated users), which could allow any authenticated users, such as subscriber, to upload arbitrary images.