A vulnerability was found in langleyfcu Online Banking System up to 57437e6400ce0ae240e692c24e6346b8d0c17d7a. Affected by this vulnerability is an unknown functionality of the file /connection_error.php of the component Error Message Handler. Performing manipulation of the argument Error results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided.