CVE-2026-14936 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-345

References

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

FAQ

What is CVE-2026-14936?

CVE-2026-14936 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 u...

How severe is CVE-2026-14936?

CVE-2026-14936 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14936?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.