Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.
packetstormsecurity.com/files/163263/Monitorr-1.7.6m-Bypass-Information-Disclosure-Shell-Upload.html
packetstormsecurity.com/files/170974/Monitorr-1.7.6-Shell-Upload.html
packetstormsecurity.com/files/171429/Monitorr-1.7.6m-1.7.7d-Remote-Code-Execution.html
lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorization-bypass-and-remote-code-execution-in-monitorr-1-7-6/
www.exploit-db.com/exploits/48980