Vulnerabilities CVE-2026-14936

CVE-2026-14936

Medium

Open

TLP:CLEAR

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

NVD CVE.org

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Description

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.

Details

CVSS Score: 5.3
EPSS Score ⓘ: 0.16%

5.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Confidence: 90%
Published: Aug 6, 2026
Last Modified: Aug 7, 2026

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