diff --git a/lib/compat/wordpress-6.7/class-gutenberg-rest-posts-controller-6-7.php b/lib/compat/wordpress-6.7/class-gutenberg-rest-posts-controller-6-7.php
index c7de4371c94f56..1e1bf443676437 100644
--- a/lib/compat/wordpress-6.7/class-gutenberg-rest-posts-controller-6-7.php
+++ b/lib/compat/wordpress-6.7/class-gutenberg-rest-posts-controller-6-7.php
@@ -154,6 +154,13 @@ public function get_items( $request ) {
 			}
 		}
 
+		if (
+			isset( $registered['search_semantics'], $request['search_semantics'] )
+			&& 'exact' === $request['search_semantics']
+		) {
+			$args['exact'] = true;
+		}
+
 		$args = $this->prepare_tax_query( $args, $request );
 
 		if ( ! empty( $request['format'] ) ) {
@@ -395,6 +402,12 @@ public function get_collection_params() {
 			);
 		}
 
+		$query_params['search_semantics'] = array(
+			'description' => __( 'How to interpret the search input.' ),
+			'type'        => 'string',
+			'enum'        => array( 'exact' ),
+		);
+
 		$query_params['offset'] = array(
 			'description' => __( 'Offset the result set by a specific number of items.' ),
 			'type'        => 'integer',