CVE-2026-85349
FluentBoards < 2.0.15 - Subscriber+ Private Board Membership Disclosure via IDOR
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when returning the list of boards a user belongs to, allowing any authenticated user, including a Subscriber with no board access, to disclose the private board memberships of arbitrary users by referencing their user ID.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.3
FluentBoards < 2.0.15 - Subscriber+ Private Board Membership Disclosure via IDOR
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when returning the list of boards a user belongs to, allowing any authenticated user, including a Subscriber with no board access, to disclose the private board memberships of arbitrary users by referencing their user ID.
- Record
CVE-2026-85349- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2026-80195
4.3
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when returning the list of boards a user belongs to, allowing any authenticated user, including a Subscriber with no board access, to disclose the private board memberships of arbitrary users by referencing their user ID.
- Record
EUVD-2026-80195- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7f4v-rw2p-hvrp
4.3
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when...
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when returning the list of boards a user belongs to, allowing any authenticated user, including a Subscriber with no board access, to disclose the private board memberships of arbitrary users by referencing their user ID.
- Record
GHSA-7f4v-rw2p-hvrp- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
4.3
The FluentBoards WordPress plugin before 2.0.15 does not properly verify authorization when returning the list of boards a user belongs to, allowing any authenticated user, including a Subscriber with no board access, to disclose the private board memberships of arbitrary users by referencing their user ID.
- Record
CVE-2026-85349- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-85349 is a medium vulnerability (CVSS 4.3) in Mahmudul Hasan Arif Fluentboards, published September 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.