CVE-2026-12688 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://wpscan.com/vulnerability/b62a2c10-78da-4a7d-a6e1-f50ebf0763db/

FAQ

What is CVE-2026-12688?

CVE-2026-12688 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2026-12688?

CVE-2026-12688 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-12688?

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