function OA_runMPE()
{
    $objResponse = new xajaxResponse();
    $objResponse->addAssign("run-mpe", "innerHTML", "<img src='run-mpe.php' />");
    return $objResponse;
}
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.