Authorization Flaw in ProfileGrid WordPress Plugin by ProfileGrid
CVE-2026-12689

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Profilegrid
Vendor
CVE Published:
24 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12689?

The ProfileGrid WordPress plugin prior to version 5.9.9.7 contains a significant authorization flaw that enables authenticated users with Subscriber-level access and higher to interact maliciously with others' private-message threads. This includes the ability to soft-delete threads, alter metadata, and mark messages as read without adequate checks on ownership or permissions.

Affected Version(s)

ProfileGrid 0 < 5.9.9.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12689 - Proof of Concept

References

https://wpscan.com/vulnerability/7368fe32-9415-47c3-b94b-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Revanth Hari Narayana Matte
WPScan
.