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## https://sploitus.com/exploit?id=WPEX-ID:4D4709F3-AD38-4519-A24A-73BC04B20E52
Popup Maker > Create Popup > Popup Settings > Triggers > Add New Cookie > Add > Cookie Time, overwrite the default '1 month' with the following XSS payload: <script>alert('XSS');</script>

Click 'Update' and Save/Update the Popup. The XSS will be triggered when editing the popup again