A vulnerability was identified in langleyfcu Online Banking System up to 57437e6400ce0ae240e692c24e6346b8d0c17d7a. This impacts an unknown function of the file /customer_add_action.php of the component Add Customer Page. The manipulation of the argument First Name leads to cross site scripting. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided.