Don't allow webPreferences to be overrideden in features string

diff --git a/lib/browser/guest-window-manager.js b/lib/browser/guest-window-manager.js
index 33ec15a..e668a31 100644 (file)
--- a/lib/browser/guest-window-manager.js
+++ b/lib/browser/guest-window-manager.js
@@ -202,6 +202,10 @@ ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_OPEN', (event, url, frameName,
     if (value === undefined) {
       additionalFeatures.push(key)
     } else {
+      // Don't allow webPreferences to be set since it must be an object
+      // that cannot be directly overridden
+      if (key === 'webPreferences') return
+
       if (webPreferences.includes(key)) {
         if (options.webPreferences == null) {
           options.webPreferences = {}