Ticket #38958: 38958.diff

src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php

@@ -349 +349 @@
                 }
 
                 $taxonomy_obj = get_taxonomy( $this->taxonomy );
-                if ( ! current_user_can( $taxonomy_obj->cap->manage_terms ) ) {
+                if ( ! current_user_can( $taxonomy_obj->cap->edit_terms ) ) {
                         return new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to create new terms.' ), array( 'status' => rest_authorization_required_code() ) );
                 }