CVE:CVE-2021-27839
CNNVD:CNNVD-202103-282
BigProf Online Invoicing System（OIS）是一套在线发票系统。
Online Invoicing System 4.3 存在注入漏洞，该漏洞源于CSV注入，攻击者可利用该漏洞来执行恶意操作。
solution:Upgrade bigprof online_invoicing_system to a higher version than 4.3,and avoid the version (,4.3]