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Published Jun. 30, 2025

Unable to embed widgets even with "Allow users to add to any website" enabled

Written By

Dia Seung

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Issue

  • I cannot embed widgets on another site (with a different domain) even though I have the checkbox "Allow users to add <portlet> to any website" enabled.
  • "<Hostname> refused connection" error may be seen. 

Environment

  • Liferay DXP 7.3

Resolution

  • Currently, the checkbox "Allow users to add <portlet> to any website" only impacts specifically Widget Pages.
    • The purpose of this configuration is to allow a new portlet menu item "Add to any Website" in widget pages.
    • This portlet menu item will then open a popup containing the iframe code similar to Portlet Preferences > Sharing tab. 
  • The issue blocking widget embedding is that Liferay will block embedding to different domains through X-FRAME-Options, in order to prevent clickjacking. You can verify this by viewing the browser console and checking for an X-FRAME-Options error. 
  • To enable the widget to be embedded, configure the X-FRAME-Options for the widget and the destination domain in the system-ext.properties file as below:
http.header.secure.x.frame.options.1=/widget/web/guest/<widget-uuid>/ |ALLOW-FROM https://<other-domain>

 The <widget-uuid> can be obtained from the iframe code.

    • Please note that the system-ext.properties file is set in the platform installation's class path (such as {LR_HOME}/{Tomcat}/WEB-INF/classes/ for Tomcat).

 

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