CVE-2026-88764 WordPress — Exploit & Vulnerability Details NONE

Parameter	Value
Affected Versions	before 4.7.8
Vendor	WordPress
Public PoC	No

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged membership level.