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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
ph7software:ph7builder
References 4
https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c…
Patch Commit
https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/ap…
NVD
https://github.com/pH7Software/pH7-Social-Dating-CMS
NVD
https://www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-vi…
VulnCheck Advisory: pH7Builder before 18.5.1 Payment Bypass via Payment Module MainController