Quick answers
- Is CVE-2026-4609 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-4609 being exploited in the wild.
- How severe is CVE-2026-4609?
- High severity, with a CVSS score of 7.1, published 13 May 2026.
- Which products and versions are affected?
- ProfileGrid ProfileGrid – User Profiles, Groups and Communities Up to, and including, 5.9.8.4.
- Is there a fix for CVE-2026-4609?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-4609 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-4609?
- Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to missing authorization (CWE-862) in the pm_invite_user function. The vulnerability exists in all versions up to and including 5.9.8.4 because the function lacks a proper capability check. An authenticated attacker with at least Subscriber-level permissions can exploit this to add themselves or other registered users to any group. This bypasses authorization logic and payment gateways intended for closed or premium groups. A patch has been released in subsequent versions.
Affected products
- ProfileGrid ProfileGrid – User Profiles, Groups and Communities Up to, and including, 5.9.8.4
Timeline
- 2026-05-13: advisory: NVD published the vulnerability details.
References
- https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php
- https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php
- https://plugins.trac.wordpress.org/changeset/3491679/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c3678b4d-0cd0-4873-8cf3-90c557931f4c?source=cve