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.

CVSS 4.0

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-472

Published

2026-10-08

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

References

• https://github.com/pH7Software/pH7-Social-Dating-CMS
• https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/app/system/modules/payment/controllers/MainController.php#L274-L380
• https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c788bd020e2376efdee76e
• https://www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-via-payment-module-maincontroller

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