Feehi CMS 2.1.1 is affected by a Server-side request forgery (SSRF) vulnerability. When the user modifies the HTTP Referer header to any url, the server can make a request to it.
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
Feehi CMS 2.1.0 is affected by an arbitrary file upload vulnerability, potentially resulting in remote code execution. After an administrator logs in, open the administrator image upload page to potentially upload malicious files.