Stored XSS exists

[lHackl-007]

1.The problem is in system settings - basic settings - default settings - third party code
write：<script>alert(1)</script> Save, open the home page and the XSS code will pop up
The problem is as follows：

2.Management background-content management-all management modules-add a piece of content-insert video in the content, write：img src="x" onerror="alert(1);"

Save, open the corresponding foreground article and background article will pop up XSS code
The problem is as follows：