CVE-2026-78278
Received Received - Intake

Subscriber IDOR in Fluent Boards Pro <= 2.0.11

Publication date: 2026-08-24

Last updated on: 2026-08-24

Assigner: Patchstack

Description
Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

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Meta Information

Published
2026-08-24
Last Modified
2026-08-24
Generated
2026-08-24
AI Q&A
2026-08-24
EPSS Evaluated
N/A
NVD
CVE-2026-78278
EUVD
EUVD-2026-64785

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
fluent_boards pro to 2.0.11 (inc)
patchstack fluent_boards_pro to 2.0.11 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.

Attack-Flow Graph

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Executive Summary

This is an Insecure Direct Object References (IDOR) vulnerability in Fluent Boards Pro plugin for WordPress, affecting versions 2.0.11 and below. It allows users with low privileges, such as Subscriber or Developer roles, to bypass authorization and access sensitive files, folders, or interact with the database without proper permissions.

Detection Guidance

To detect this IDOR vulnerability in Fluent Boards Pro <= 2.0.11, check WordPress user roles with low privileges (Subscriber/Developer) for unauthorized access to sensitive files or database interactions. Review server logs for unusual requests targeting plugin endpoints. No specific commands are provided in the context.

Impact Analysis

Attackers with low-level access could exploit this to view or modify sensitive data, leading to unauthorized access to files, folders, or database entries. This could result in data leaks, data corruption, or unauthorized actions within the WordPress site.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements under GDPR and HIPAA. It may result in data breaches, unauthorized disclosures, and failure to meet regulatory standards for data protection and access control.

Mitigation Strategies

Immediately update Fluent Boards Pro to version 2.0.12 or higher. If updating is not possible, disable the plugin temporarily or restrict access to low-privilege users. Enable auto-updates for the plugin if available. Contact your hosting provider or developer for assistance.

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