admin/blocks.php in Subrion CMS through 4.2.1 allows PHP Object Injection (with resultant file deletion) via serialized data in the subpages value within a block to blocks/edit.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.2.1"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:intelliants:subrion:*:*:*:*:*:*:*:*"
}