ProfileGrid - User Profiles, Groups and Communities <= 5.9.9.5 - Unauthenticated Privilege Escalation via Email Overwrite

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Summary

CVECVE-2026-12073
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-30 06:16:26 UTC
Updated2026-06-30 14:16:25 UTC
DescriptionThe ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 5.9.9.5. This is due to the plugin not validating a `user_login` on registration forms that don't contain this parameter, and not properly handling the error messages. This makes it possible for unauthenticated attackers to change email address of user account with ID=1 (usually an administrator), and leverage that to reset the user's password and gain access to their account.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003100000 probability, percentile 0.228560000 (date 2026-07-04)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Metagauss ProfileGrid User Profiles Groups And Communities affected 5.9.9.5 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3578435 [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/2d35279d-299e-4ca2-8f84-16528... [email protected] www.wordfence.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: Ivan Kuzymchak (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-08T00:00:00.000ZDiscovered
CNA2026-06-12T10:23:51.000ZVendor Notified
CNA2026-06-29T16:51:48.000ZDisclosed
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