metagauss ProfileGrid Plugin up to 5.9.9.5 on WordPress Email Address authorization

Summaryinfo

A vulnerability was found in metagauss ProfileGrid Plugin up to 5.9.9.5 on WordPress. It has been classified as critical. This issue affects some unknown processing of the component Email Address Handler. This manipulation causes authorization. This vulnerability is registered as CVE-2026-12073. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in metagauss ProfileGrid Plugin up to 5.9.9.5 on WordPress. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Email Address Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The 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.

The weakness was published by Ivan Kuzymchak. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-12073 since 06/12/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/30/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-40254). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• metagauss

Name

• ProfileGrid Plugin

Version

• 5.9.9.0
• 5.9.9.1
• 5.9.9.2
• 5.9.9.3
• 5.9.9.4
• 5.9.9.5

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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