diff --git a/appshell/cef_main_window.cpp b/appshell/cef_main_window.cpp
index 51305c81d..a6781e5a1 100644
--- a/appshell/cef_main_window.cpp
+++ b/appshell/cef_main_window.cpp
@@ -226,6 +226,10 @@ BOOL cef_main_window::HandleCreate()
 
     settings.web_security = STATE_DISABLED;
 
+    // Necessary to enable document.executeCommand("paste")
+    settings.javascript_access_clipboard = STATE_ENABLED;
+    settings.javascript_dom_paste = STATE_ENABLED;
+
     // Initialize window info to the defaults for a child window
     info.SetAsChild(mWnd, rect);
 
diff --git a/appshell/cefclient_gtk.cpp b/appshell/cefclient_gtk.cpp
index 45d184220..3ea5a1470 100644
--- a/appshell/cefclient_gtk.cpp
+++ b/appshell/cefclient_gtk.cpp
@@ -244,6 +244,10 @@ int main(int argc, char* argv[]) {
 
   browserSettings.web_security = STATE_DISABLED;
 
+  // Necessary to enable document.executeCommand("paste")
+  browserSettings.javascript_access_clipboard = STATE_ENABLED;
+  browserSettings.javascript_dom_paste = STATE_ENABLED;
+
   window_info.SetAsChild(vbox);
 
   CefBrowserHost::CreateBrowser(
diff --git a/appshell/cefclient_mac.mm b/appshell/cefclient_mac.mm
index 9bba3e48d..c5e9d4fef 100644
--- a/appshell/cefclient_mac.mm
+++ b/appshell/cefclient_mac.mm
@@ -682,6 +682,10 @@ - (void)createApp:(id)object {
 
   settings.web_security = STATE_DISABLED;
 
+  // Necessary to enable document.executeCommand("paste")
+  settings.javascript_access_clipboard = STATE_ENABLED;
+  settings.javascript_dom_paste = STATE_ENABLED;
+
   CefRefPtr<CefCommandLine> cmdLine = AppGetCommandLine();
 
 #ifdef DARK_INITIAL_PAGE