FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration <= 1.91.2 — Authenticated (Board Member+) Insecure Direct Object Reference
CVE-2026-40784Published · Updated Action summary
Affected: ≤1.91.2Update to 1.91.3 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration fluent-boards
- Affected≤ 1.91.2
- Patched in1.91.3
Update to 1.91.3 or newer.
You are affected if you run ≤ 1.91.2. Version 1.91.3 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 1.91.3, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Jakub Herman.
The FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.91.2 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Custom-level access and above, to perform an unauthorized action.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration
All 11| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization ≤2.2.2Update to 2.3.0 | CVE-2026-119486 | |
| Medium4.3 | Missing Authorization ≤2.1.0Update to 2.2.0 | CVE-2026-109696 | |
| Medium6.3 | Authenticated (Subscriber+) Privilege Escalation ≤2.0.12Update to 2.0.15 | CVE-2026-96821 | |
| Medium5.3 | 2.0.15 - Unauthenticated Information Exposure 1.95 – 2.0.15Update to 2.1.0 | CVE-2026-89331 | |
| Medium4.3 | Authenticated (Subscriber+) Information Exposure ≤2.0.14Update to 2.0.15 | CVE-2026-85349 |
- Medium4.3Missing Authorization
≤2.2.2Update to 2.3.0
- Medium4.3Missing Authorization
≤2.1.0Update to 2.2.0
- Medium6.3Authenticated (Subscriber+) Privilege Escalation
≤2.0.12Update to 2.0.15
- Medium5.32.0.15 - Unauthenticated Information Exposure
1.95 – 2.0.15Update to 2.1.0
- Medium4.3Authenticated (Subscriber+) Information Exposure
≤2.0.14Update to 2.0.15
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.