CVE-2026-24561 MEDIUM

CVE-2026-24561: WordPress FluentBoards plugin <= 1.91.1 - Broken Access Control vulnerability

Vendor Mahmudul Hasan Arif
Product FluentBoards
Weakness CWE-862 · Missing authorization
Published January 23, 2026
Last update April 28, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentBoards: from n/a through <= 1.91.1.

Explanation of Vulnerability in Simple Terms

02Summary

FluentBoards versions up to 1.91.1 lack proper authorization checks, allowing authenticated users to modify or delete content they should not have access to. An attacker with a low-privilege account can alter data integrity or disrupt site availability. Update to a version newer than 1.91.1 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Modify or delete content without proper permission checks.

Potential impact on your site

04Site Impact

Unauthorized users can alter or remove board data, compromising content integrity and availability.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

January 23, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE