CVE-2025-39551

CRITICAL 9.8

WordPress FluentBoards plugin <= 1.47 - PHP Object Injection Vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Object Injection.This issue affects FluentBoards: from n/a through <= 1.47.

CWE	CWE-502
Vendor	mahmudul hasan arif
Product	fluentboards
Published	Apr 17, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Mahmudul Hasan Arif / FluentBoards

0 ≤ 1.47

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/fluent-boards/vulnerability/wordpress-fluentboards-1-47-php-object-injection-vulnerability?_s_id=cve

Credits

Trương Hữu Phúc (truonghuuphuc) | Patchstack Bug Bounty Program