diff --git a/docs/assets/js/asciinema-player.js b/docs/assets/js/asciinema-player.js
index 0d14b0dfcb..77038f2eb9 100644
--- a/docs/assets/js/asciinema-player.js
+++ b/docs/assets/js/asciinema-player.js
@@ -146,7 +146,8 @@
     } else {
       var h = [], g = String(Math.random());
       window.addEventListener("message", function (e) {
-        if (e.data === g) {
+        var trustedOrigins = ['https://www.example.com']; // Add your trusted origins here
+        if (trustedOrigins.includes(e.origin) && e.data === g) {
           var t = h;
           h = [], t.forEach(function (e) {
             e()
@@ -19502,7 +19503,7 @@ function registerAsciinemaPlayerElement() {
   };
 
   function Ni(a) {
-    return [v.h('"'), v.h(a.replace(RegExp('[\\\\"\b\f\n\r\t]', "g"), function (a) {
+    return [v.h('"'), v.h(a.replace(RegExp('[\\\\\\"\b\f\n\r\t]', "g"), function (a) {
       return Mi[a]
     })), v.h('"')].join("")
   }