Fluent Boards Pro <= 2.0.11 - Authenticated (Subscriber+) Insecure Direct Object Reference

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-78466
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-25 06:19:00 UTC
Updated2026-08-26 16:19:05 UTC
DescriptionThe Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.001610000 probability, percentile 0.055320000 (date 2026-08-26)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fluent Boars Fluent Boards Pro affected 2.0.11 semver Not specified

References

ReferenceSourceLinkTags
fluentboards.com [email protected] fluentboards.com
www.wordfence.com/threat-intel/vulnerabilities/id/bec19d80-ba51-4ff8-a111-c2e45... [email protected] www.wordfence.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: Ananda Dhakal (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-24T00:00:00.000ZDisclosed

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