diff --git wp-includes/post-template.php wp-includes/post-template.php
index 3164509..e26b6fd 100644
--- wp-includes/post-template.php
+++ wp-includes/post-template.php
@@ -361,7 +361,12 @@ function get_the_excerpt( $deprecated = '' ) {
 	}
 
 	if ( post_password_required() ) {
-		return __( 'There is no excerpt because this is a protected post.' );
+		/**
+		 * Filter the post excerpt when is a protected post.
+		 *
+		 * @param string
+		 */
+		return apply_filters( 'get_the_protected_excerpt' , __( 'There is no excerpt because this is a protected post.' ) );
 	}
 
 	/**