A vulnerability classified as critical was found in liujianview gymxmjpa 1.0. This vulnerability affects the function MenberDaoInpl of the file src/main/java/com/liujian/gymxmjpa/controller/MenberConntroller.java. The manipulation of the argument hyname leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.