APfell 1.4 is vulnerable to authenticated reflected cross-site scripting (XSS) in /apiui/command_ through the payloadtypes_callback function, which allows an attacker to steal remote admin/user session and/or adding new users to the administration panel.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23014
Reference (s):
- https://github.com/its-a-feature/Apfell/commit/5fc64502bc008388514f2b5d1160b677e3b4a7f3
- https://seekurity.com/blog/2020/04/19/admin/advisories/apfell-post-exploitation-red-team-framework-authenticated-cross-site-scripting-vulnerability