CVE:CVE-2021-40310
CNNVD:CNNVD-202109-1679
Open Solutions For Education openSIS是美国Open Solutions for Education（Open Solutions For Education）公司的一套开源的学生信息管理系统。
OpenSIS Community Edition 8.0版本存在跨站脚本漏洞，该漏洞源于软件中TakeAttendance.php的 cp_id_miss_attn参数缺少有效的验证与转义。
solution:Upgrade os4ed opensis to a higher version than 8.0,and avoid the version 8.0