modules/member/member.comtroller.php 파일에서 function procMemberModifyInfoBefore() 를 찾으셔서 해당 함수를

function procMemberModifyInfoBefore()
{
	if($_SESSION['rechecked_password_step'] != 'INPUT_PASSWORD')
	{
		return $this->stop('msg_invalid_request');
	}
	if(!Context::get('is_logged'))
	{
		return $this->stop('msg_not_logged');
	}
	$password = Context::get('password');
	if(!$password)
	{
		return $this->stop('msg_invalid_request');
	}
	$oMemberModel = getModel('member');
	if(!$this->memberInfo->password)
	{
		// Get information of logged-in user
		$logged_info = Context::get('logged_info');
		$member_srl = $logged_info->member_srl;

		$columnList = array('member_srl', 'password');
		$memberInfo = $oMemberModel->getMemberInfoByMemberSrl($member_srl, 0, $columnList);
		$this->memberInfo->password = $memberInfo->password;
	}
	// Verify the current password
	if(!$oMemberModel->isValidPassword($this->memberInfo->password, $password))
	{
		return new Object(-1, 'invalid_password');
	}
	$_SESSION['rechecked_password_step'] = 'VALIDATE_PASSWORD';
	if(Context::get('success_return_url'))
	{
		$redirectUrl = Context::get('success_return_url');
	}
	else
	{
		$redirectUrl = getNotEncodedUrl('', 'mid', Context::get('mid'), 'act', 'dispMemberModifyInfo');
	}
	$this->setRedirectUrl($redirectUrl);
}