The Easy Testimonials plugin 3.0.4 for WordPress has XSS in include/settings/display.options.php, as demonstrated by the Default Testimonials Width, View More Testimonials Link, and Testimonial Excerpt Options screens.
SQL injection vulnerability in the WP-Testimonials plugin 3.4.1 for WordPress allows an authenticated user to execute arbitrary SQL commands via the testid parameter to wp-admin/admin.php.