Unrestricted file upload in interface/super/manage_site_files.php in versions of OpenEMR before 5.0.1.4 allows a remote authenticated attacker to execute arbitrary PHP code by uploading a file with a PHP extension via the images upload form and accessing it in the images directory.
packetstormsecurity.com/files/163110/OpenEMR-5.0.1.3-Shell-Upload.html
packetstormsecurity.com/files/163482/OpenEMR-5.0.1.3-Shell-Upload.html
github.com/Hacker5preme/Exploits/tree/main/CVE-2018-15139-Exploit
github.com/openemr/openemr/pull/1757/commits/c2808a0493243f618bbbb3459af23c7da3dc5485
www.databreaches.net/openemr-patches-serious-vulnerabilities-uncovered-by-project-insecurity/