pH7Builder (pH7 Social Dating CMS) before 18.5.1 contains a payment validation vulnerability that allows registered low-privileged members to obtain any membership tier by supplying client-controlled plan and amount fields. Attackers can set item_number, cart_order_id, or the PayPal custom field while paying a token amount, or submit uncompleted PayPal IPN payments, to gain the most expensive membership and its paid features.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-472"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107636.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "18.5.1"
}
],
"source": [
"DESCRIPTION",
"REFERENCES"
]
}