In FusionPBX up to v4.5.7, the file app\xmlcdr\xmlcdr_delete.php uses an unsanitized "rec" variable coming from the URL, which is base64 decoded and allows deletion of any file of the system.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "4.5.7"
}
],
"source": "CPE_RANGE",
"vendor_product": "fusionpbx:fusionpbx",
"cpes": [
"cpe:2.3:a:fusionpbx:fusionpbx:*:*:*:*:*:*:*:*"
]
}
]
}