CVE-2026-107636
CVE-2026-107636
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c788bd020… (patch)
- github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/app/system… (technical-description)
- github.com/pH7Software/pH7-Social-Dating-CMS (product)
- www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-via-paymen… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107636?
- CVE-2026-107636 is a medium-severity vulnerability, classified under CWE-472. CVSS score: 6.5/10. Published 2026-10-08.
- How severe is CVE-2026-107636?
- Medium severity. CVSS v3 base score is 6.5 out of 10.