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TI-2026-10849 Aliases CVE-2026-12688GHSA-pp2q-mfv3-q5wp

ProfileGrid < 5.9.9.7 - Unauthenticated Payment Bypass and Forced Group Membership via PayPal IPN Forgery

Priority HIGH 68CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00275 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed ProfileGrid (Unknown): 5.9.9.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownProfileGridbefore 5.9.9.75.9.9.7Patch availableCNA
  • ProfileGrid VendorUnknown Affected before 5.9.9.7 Fixed in 5.9.9.7 Patch available CNA

Remediation

  • Fix · CNA ProfileGrid (Unknown) Fixed in 5.9.9.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    ProfileGrid 5.9.9.7

    3 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM

    Other records, highest priority first

    • TI-2026-10850 ProfileGrid < 5.9.9.7 - Subscriber+ Cross-User Private Message Thread Deletion and Tampering via Missing AuthorizationPriority MEDIUM 58
    • TI-2026-10851 ProfileGrid < 5.9.9.7 - Subscriber+ Premium License Tampering via Missing AuthorizationPriority MEDIUM 51
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-12688
  2. 2026-10-03 Alias added: GHSA-pp2q-mfv3-q5wp

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences