CVE-2026-40784

HIGH 8.1

WordPress FluentBoards plugin <= 1.91.2 - Insecure Direct Object References (IDOR) vulnerability

CVSS Score

8.1

EPSS Score

0.1%

EPSS Percentile

16th

Authorization Bypass Through User-Controlled Key vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentBoards: from n/a through <= 1.91.2.

CWE	CWE-639
Vendor	mahmudul hasan arif
Product	fluentboards
Published	Apr 15, 2026
Last Updated	Apr 29, 2026

Stay Ahead of the Next One

Get instant alerts for mahmudul hasan arif fluentboards

Be the first to know when new high vulnerabilities affecting mahmudul hasan arif fluentboards are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Mahmudul Hasan Arif / FluentBoards

0 ≤ 1.91.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/fluent-boards/vulnerability/wordpress-fluentboards-plugin-1-91-2-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Credits

Jakub Herman | Patchstack Bug Bounty Program