diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/js/mediaelement/renderers/vimeo.js
--- a/wp/wp-includes/js/mediaelement/renderers/vimeo.js	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/js/mediaelement/renderers/vimeo.js	Wed Sep 21 18:19:35 2022 +0200
@@ -8,7 +8,7 @@
  * Copyright 2010-2017, John Dyer (http://j.hn/)
  * License: MIT
  *
- */(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){
+ */(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(_dereq_,module,exports){
 'use strict';
 
 var VimeoApi = {
@@ -33,13 +33,29 @@
 	},
 
 	getVimeoId: function getVimeoId(url) {
-		if (url === undefined || url === null) {
+		if (url == null) {
 			return null;
 		}
 
 		var parts = url.split('?');
 		url = parts[0];
-		return parseInt(url.substring(url.lastIndexOf('/') + 1), 10);
+
+		var playerLinkMatch = url.match(/https:\/\/player.vimeo.com\/video\/(\d+)$/);
+		if (playerLinkMatch) {
+			return parseInt(playerLinkMatch[1], 10);
+		}
+
+		var vimeoLinkMatch = url.match(/https:\/\/vimeo.com\/(\d+)$/);
+		if (vimeoLinkMatch) {
+			return parseInt(vimeoLinkMatch[1], 10);
+		}
+
+		var privateVimeoLinkMatch = url.match(/https:\/\/vimeo.com\/(\d+)\/\w+$/);
+		if (privateVimeoLinkMatch) {
+			return parseInt(privateVimeoLinkMatch[1], 10);
+		}
+
+		return NaN;
 	}
 };