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TI-2026-69586 Aliases CVE-2026-107636GHSA-32w5-672c-jvph

Payment bypass in pH7Builder lets members obtain higher membership tiers

Priority LOW 31CWE-472Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

pH7Builder (pH7 Social Dating CMS) before 18.5.1 contains a payment validation flaw tracked under CWE-472, where the server trusts client-controlled plan and amount fields. A low-privileged registered member can obtain any membership tier, including the most expensive one, by supplying altered item_number, cart_order_id, or PayPal custom values while paying a token amount, or by submitting uncompleted PayPal IPN payments.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00311 24th percentileScored 2026-11-07
Fix Fixed ph7builder (ph7software): 18.5.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ph7softwareph7builderbefore 18.5.118.5.1Patch availableCNA
  • ph7builder Vendorph7software Affected before 18.5.1 Fixed in 18.5.1 Patch available CNA

Remediation

Upgrade pH7Builder to version 18.5.1 or later, which fixes the flaw in all earlier versions.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA ph7builder (ph7software) Fixed in 18.5.1

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-107636
  2. 2026-10-08 Alias added: GHSA-32w5-672c-jvph
  3. 2026-10-08 CISA SSVC decision points changed
  4. 2026-10-08 Priority changed: MEDIUM → LOW

References

Patch 1

Other 2

  • TI-2026-70783 Hard-coded API key in pH7Builder lets attackers bypass API access checks CVSS 4.0HIGH 8.7
  • TI-2026-70781 CAPTCHA bypass in pH7Builder via client-chosen form ID CVSS 4.0MEDIUM 6.9
  • TI-2026-69588 Missing rate limit on 2FA codes in pH7Builder lets attackers take over accounts CVSS 4.0HIGH 7.6
  • TI-2026-70780 Path traversal in pH7Builder lets members delete arbitrary files CVSS 4.0HIGH 7.2
  • TI-2026-70782 Member API in pH7Builder exposes password hashes and TOTP secrets CVSS 4.0HIGH 7.1
  • TI-2026-69587 pH7Builder note module flaw lets members delete others' notes CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences