flatCore before 1.5.7 allows upload and execution of a .php file by an admin.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17452
Reference (s):
- https://lists.openwall.net/full-disclosure/2020/08/07/1
- https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-flatcore-cms/