CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated administrators to execute arbitrary PHP code via the code parameter to admin/editusertag.php, related to the CreateTagFunction and CallUserTag functions. NOTE: the vendor reportedly has stated this is "a feature, not a bug.
[
{
"cpes": [
"cpe:2.3:a:cmsmadesimple:cms_made_simple:2.1.6:*:*:*:*:*:*:*"
],
"vendor": "cmsmadesimple",
"product": "cms_made_simple",
"versions": [
{
"status": "affected",
"version": "2.1.6"
}
],
"defaultStatus": "unknown"
}
]