A Path Traversal vulnerability was discovered in MOPCMS through 2018-11-30, leading to deletion of unexpected critical files. The exploitation point is in the "column management" function. The path added to the column is not verified. When a column is deleted by an attacker, the corresponding directory is deleted, as demonstrated by ./ to delete the entire web site.

An XSS vulnerability was discovered in MOPCMS through 2018-11-30. There is persistent XSS that allows remote attackers to inject arbitrary web script or HTML via the form[name] parameter in a mod=column request, as demonstrated by the /mopcms/X0AZgf(index).php?mod=column&ac=list&menuid=28&ac=add&menuid=29 URI.