Medium severity · published Oct 8, 2026
CVE-2026-107636
pH7Builder before 18.5.1 Payment Bypass via Payment Module MainController
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
ph7builder · ph7software
before 18.5.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-107636
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-107636
patch
https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c788bd020e2376efdee76e
technical-description
https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/app/system/modules/payment/controllers/MainController.php#L274-L380
product
https://github.com/pH7Software/pH7-Social-Dating-CMS
third-party-advisory
https://www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-via-payment-module-maincontroller
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