The If-So Dynamic Content Personalization WordPress plugin before 1.8.0.3 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The If-So Dynamic Content Personalization plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 1.9.2.1 via the 'ifso-show-post' shortcode due to insufficient restrictions on which posts can be included. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract data from private or draft posts created via Elementor that they should not have access to.

The If-So Dynamic Content Personalization WordPress plugin before 1.8.0.4 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 unfilteredhtml capability is disallowed (for example in multisite setup)

The If-So Dynamic Content Personalization WordPress plugin before 1.8.0.4 does not escape the $SERVER['REQUESTURI'] parameter before outputting it back in an attribute, which could lead to Reflected Cross-Site Scripting in old web browsers