What is CVE-2026-14936?

CVE-2026-14936 is a medium-severity vulnerability in Simple Membership, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-08-06.

How severe is CVE-2026-14936?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Simple Membership

CVE-2026-14936

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 ext…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Unknown Simple Membership — versions 0

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-14936?: CVE-2026-14936 is a medium-severity vulnerability in Simple Membership, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-08-06.
How severe is CVE-2026-14936?: Medium severity. CVSS v3 base score is 5.3 out of 10.