CVE-2026-14936 — Simple Membership < 4.7.7 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verification

CVE-2026-14936

Simple Membership < 4.7.7 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verification PUBLISHED

Description (CNA)

The Simple Membership WordPress plugin before 4.7.7 does not verify that a PayPal payment notification was sent to the site's own configured merchant account before activating a membership, allowing unauthenticated users to activate or extend a membership using a payment made to an arbitrary PayPal account they control.

Affected (CNA)

Vendor / product	Versions
Unknown / Simple Membership	affected 0 before 4.7.7

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/82ac8cd9-db44-49c7-905c-16d261c5c516/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.