ProfileGrid < 5.9.9.7 - Unauthenticated Payment Bypass and Forced Group Membership via PayPal IPN Forgery
Summary
| CVE | CVE-2026-12688 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-24 07:16:32 UTC |
| Updated | 2026-07-24 20:48:39 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 6.5 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.001640000 probability, percentile 0.060430000 (date 2026-07-26)
Problem Types: CWE-284 | CWE-284 Improper Access Control | CWE-284 CWE-284 Improper Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | ProfileGrid | affected 5.9.9.7 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/b62a2c10-78da-4a7d-a6e1-f50ebf0763db | [email protected] | wpscan.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Revanth Hari Narayana Matte (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.