FluentBoards < 2.0.15 - Subscriber+ Private Board Membership Disclosure via IDOR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-85349
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 06:16:34 UTC
Updated2026-09-17 13:16:50 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from ADP

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

EPSS: 0.001820000 probability, percentile 0.080340000 (date 2026-09-16)

Problem Types: CWE-200 | CWE-200 Information Exposure | CWE-200 CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown FluentBoards affected 2.0.15 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/6526a9ee-6320-472b-a179-dba009f6d76d [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Usama Arshad (en)

CNA: WPScan (en)

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