What’s Vulnerable › Vulnerabilities

CVE-2026-4609: ProfileGrid <= 5.9.8.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Group Joining

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-13 · updated 2026-06-17
• Weakness: CWE-862

Description

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the pm_invite_user function in all versions up to, and including, 5.9.8.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add themselves or any registered user to any ProfileGrid group, including closed and paid groups, bypassing all authorization and payment gates.

Affected products

• metagauss ProfileGrid – User Profiles, Groups and Communities: through 5.9.8.4

References

• https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php#L3280
• https://plugins.trac.wordpress.org/browser/profilegrid-user-profiles-groups-and-communities/trunk/public/class-profile-magic-public.php#L3319
• https://plugins.trac.wordpress.org/changeset/3491679/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c3678b4d-0cd0-4873-8cf3-90c557931f4c?source=cve

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