MCMS 6.1.1 through 6.2.1 has a SQL injection vulnerability in the custom model/form import feature.
A reflected cross-site scripting (XSS) vulnerability in MCMS v6.0.1 allows attackers to execute arbitrary Javascript in the context of a user's browser via a crafted payload.
An arbitrary file upload vulnerability in MCMS v6.0.1 allows attackers to execute arbitrary code via uploading a crafted file.