CVE-2026-14936CWE-345

CVE-2026-14936

Medium · published August 7, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-08-07T02:16Z
References (1)
https://wpscan.com/vulnerability/82ac8cd9-db44-49c7-905c-16d261c5c516/ · [email protected]
EPSS history
Timeline
  • 06 AUG 17:04Z
    Simple Membership < 4.7.7 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verification
    cvelistv5