Insecure Direct Object Reference in Fluent Boards Pro Plugin for WordPress
CVE-2026-78466

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Fluent Boards Pro
Vendor
CVE Published:
25 August 2026

What is CVE-2026-78466?

The Fluent Boards Pro plugin for WordPress is susceptible to an Insecure Direct Object Reference vulnerability due to a lack of proper validation on a user-controlled key. This flaw allows authenticated attackers with Subscriber-level access and higher to execute unauthorized actions. Website administrators and users are advised to review access permissions and update the plugin to mitigate potential security risks.

Affected Version(s)

Fluent Boards Pro 0 <= 2.0.11

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://fluentboards.com/

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal
.