	public function Set($_var = '', $_value = '', $_vartrusted = false, $_valuetrusted = false)
	{
		if ($_var != '' && $_value != '') {
			if (! $_vartrusted) {
				$_var = strip_tags($_var);
			}
			
			if (! $_valuetrusted) {
				$_value = strip_tags($_value, '<br />');
			}
			
			if (strtolower($_var) == 'message' || strtolower($_var) == 'subject') {
				$_value = $this->convertLatin1ToHtml($_value);
			}
			
			$this->t_data[$_var] = $_value;
		}
	}
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.