Fixed prototype pollution bug and only allow trusted origin (#17420)

3 years ago · 4d6d4b43c6
parent 54581d43e7
commit 4d6d4b43c6
1 changed files with 1 additions and 1 deletions
--- a/public/embed.js
+++ b/public/embed.js
@ -15,7 +15,7 @@
    window.addEventListener('message', function(e) {
      var data = e.data || {};
-      if (data.type !== 'setHeight' || !iframes[data.id]) {
+      if (data.type !== 'setHeight' || !iframes[data.id] || window.location.origin !== e.origin || data.id.toString() === '__proto__') {
        return;
      }