What is CVE-2026-12688?

CVE-2026-12688 is a medium-severity vulnerability in Profilegrid, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-07-24.

How severe is CVE-2026-12688?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Profilegrid

CVE-2026-12688

The ProfileGrid WordPress plugin before 5.9.9.7 does not verify PayPal IPN notifications before granting paid group membership, allowing unauthenticated attackers to forge a payment notification and mark any user as a paid member of any group without any payment being made.

EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Unknown Profilegrid — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-12688?: CVE-2026-12688 is a medium-severity vulnerability in Profilegrid, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-07-24.
How severe is CVE-2026-12688?: Medium severity. CVSS v3 base score is 6.5 out of 10.