CVE-2026-78278

WordPress Fluent Boards Pro plugin <= 2.0.11 - Insecure Direct Object References (IDOR) vulnerability

5.3 Medium

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.31%Up 0.1 points since Aug 25, 2026

What each source reports

CVE List Score used 5.3

WordPress Fluent Boards Pro plugin <= 2.0.11 - Insecure Direct Object References (IDOR) vulnerability

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Record: CVE-2026-78278
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2026-64785 5.3

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Record: EUVD-2026-64785
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qrr7-v4w9-q4hr 5.3

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Record: GHSA-qrr7-v4w9-q4hr
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-02

NVD 5.3

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Record: CVE-2026-78278
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

wp manageninja llc fluent boards pro

History

History
Recorded	Changed	Sources
Nov 2, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-78278 is a medium vulnerability (CVSS 5.3) in Wp Manageninja Llc Fluent Boards Pro, published August 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. No source names a fixed version.