CVE-2026-96821
Received Received - Intake

Subscriber Privilege Escalation in FluentBoards

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: Patchstack

Description
Subscriber Privilege Escalation in FluentBoards <= 2.0.12 versions.

CVSS Scores

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-96821
EUVD
EUVD-2026-89874

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
fluentboards fluentboards to 2.0.12 (inc)
patchstack fluentboards to 2.0.12 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

CVE-2026-96821 is a subscriber privilege escalation vulnerability in the FluentBoards WordPress plugin versions 2.0.12 and below. It allows low-privilege users like subscribers to gain administrator-level access, taking full control of the website.

Detection Guidance

Check the installed version of the FluentBoards plugin in WordPress. If it is 2.0.12 or below, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin directory for version details.

Impact Analysis

Attackers can exploit this to gain full website control, leading to data theft, defacement, malware installation, or unauthorized access to sensitive information. The CVSS score of 6.3 indicates high severity and potential for mass exploitation across many websites.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA compliance requirements. Organizations may face legal penalties, data breach notifications, and reputational damage if exploited.

Mitigation Strategies

Update the FluentBoards plugin to version 2.0.15 or later. Alternatively, apply the mitigation rule provided by Patchstack. Enable auto-updates for the plugin to prevent future vulnerabilities.

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