Easy Pricing Tables < 3.2.1 - Reflected Cross-Site-Scripting

The plugin does not sanitise and escape parameter before outputting it back in a page available to any user (both authenticated and unauthenticated) when a specific setting is enabled, leading to a Reflected Cross-Site Scripting

PoC

With the “Compatibility Mode” (/wp-admin/edit.php?post_type=easy-pricing-table&page;=easy-pricing-tables-settings) setting enabled: https://example.com/wp-admin/admin-ajax.php?action=ptp_design4_color_columns&amp;post;_id=1&amp;column;_names=