CVE-2026-12687
Received Received - Intake

Unauthenticated Group Registration Leading to Privilege Escalation in ProfileGrid WordPress Plugin

Publication date: 2026-07-30

Last updated on: 2026-07-30

Assigner: WPScan

Description
The ProfileGrid WordPress plugin before 5.9.9.8 does not restrict which group an anonymous visitor may register into through its front-end registration, allowing unauthenticated users to register directly into a privileged group and be granted that group's configured role, up to Administrator when such a group exists, leading to privilege escalation.

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Meta Information

Published
2026-07-30
Last Modified
2026-07-30
Generated
2026-07-30
AI Q&A
2026-07-30
EPSS Evaluated
N/A
NVD
CVE-2026-12687
EUVD
EUVD-2026-50992

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
profilegrid profilegrid to 5.9.9.8 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the ProfileGrid WordPress plugin before version 5.9.9.8 allows unauthenticated users to register into privileged groups through the front-end registration form. Attackers can escalate privileges by joining a group configured with high-level roles, such as Administrator, leading to unauthorized access and control of the WordPress site.

Detection Guidance

Check if the ProfileGrid WordPress plugin version is below 5.9.9.8. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version details in the plugin header.

Impact Analysis

This vulnerability can allow attackers to gain full administrative access to your WordPress site without authentication. Once exploited, attackers can take control of the site, install malicious plugins, steal data, or deface the website. It poses a significant risk to site integrity and user data.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating compliance requirements under GDPR and HIPAA. Unauthorized privilege escalation may result in unauthorized data exposure, access, or modification, leading to legal penalties and reputational damage.

Mitigation Strategies

Update the ProfileGrid plugin to version 5.9.9.8 or later immediately. Disable front-end group registration if not required. Review user roles and groups for unauthorized privileged accounts.

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