An arbitrary file upload vulnerability in the component /api/upload.php of ThinkAdmin v6 allows attackers to execute arbitrary code via a crafted file.

ThinkAdmin v6 has default administrator credentials, which allows attackers to gain unrestricted administratior dashboard access.

An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.

ThinkAdmin version v1 v6 has a stored XSS vulnerability which allows remote attackers to inject an arbitrary web script or HTML.

ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.

application\admin\controller\User.php in ThinkAdmin V4.0 does not prevent continued use of an administrator's cookie-based credentials after a password change.