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.

Affected

FluentBoards

CVSS v3.1 CNA

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

EPSS

0.29% chance of exploitation in the next 30 days, 21st percentile

Published

2026-09-16

Updated

2026-09-17

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/6526a9ee-6320-472b-a179-dba009f6d76d/

References

• CVE Record
• NVD entry