CVE-2021-28976 | GetSimpleCMS up to 3.3.15 phar File admin/upload.php unrestricted upload (EDB-52168)
A vulnerability was found in GetSimpleCMS up to 3.3.15. It has been declared as critical. This vulnerability affects unknown code of the file admin/upload.php of the component phar File Handler. The manipulation leads to unrestricted upload.
This vulnerability was named CVE-2021-28976. The attack can be initiated remotely. Furthermore, there is an exploit available.
It is recommended to upgrade the affected component.