---
id: CVE-2026-107636
title: >-
  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
summary: >-
  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…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-472
vendor: ph7software
product: ph7builder
affected:
  - ph7builder < 18.5.1
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T18:17:25.180'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-107636'
references:
  - url: 'https://github.com/pH7Software/pH7-Social-Dating-CMS'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/app/system/modules/payment/controllers/MainController.php#L274-L380
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c788bd020e2376efdee76e
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-via-payment-module-maincontroller
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-08T15:35:47.554475Z'
ingestedAt: '2026-10-08T14:47:16.358Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.