CVE-2025-39551 PUBLISHED

WordPress FluentBoards <= 1.47 - PHP Object Injection Vulnerability

Assigner: Patchstack
Reserved: 16.04.2025 Published: 17.04.2025 Updated: 17.04.2025

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

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

CVSS 3.1

Product Status

Vendor	Mahmudul Hasan Arif
Product	FluentBoards
Versions	Default: unaffected affected from n/a to 1.47 (incl.)

Solutions

Update the WordPress FluentBoards plugin to the latest available version (at least 1.48).

Credits

Trương Hữu Phúc (truonghuuphuc) (Patchstack Alliance) finder

References

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

Problem Types

CWE-502 Deserialization of Untrusted Data CWE

Impacts

CAPEC-586 Object Injection