Vulnerability · Published Apr 15, 2026 · Assigned by Patchstack
CVE-2026-40784WordPress FluentBoards plugin <= 1.91.2 - Insecure Direct Object References (IDOR) vulnerability
High 8.1
In plain English
A high-severity authorization bypass via user-controlled key in FluentBoards from Mahmudul Hasan Arif. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.2%top 93.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mahmudul Hasan Arif | FluentBoards | 0 – through 1.91.2 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N