CVE-2026-107636: PH7SOFTWARE PH7BUILDER

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• PH7SOFTWARE PH7BUILDER: before 18.5.1 (fixed in 18.5.1)

Published 2026-10-08. Last modified 2026-10-08.