CVE-2025-39551

WordPress FluentBoards <= 1.47 - PHP Object Injection Vulnerability

Description

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

Remediation

Solution:

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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.06%
Affected: Mahmudul Hasan Arif FluentBoards
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-39551?
CVE-2025-39551 has been scored as a critical severity vulnerability.
How to fix CVE-2025-39551?
To fix CVE-2025-39551: Update the WordPress FluentBoards plugin to the latest available version (at least 1.48).
Is CVE-2025-39551 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-39551 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-39551?
CVE-2025-39551 affects Mahmudul Hasan Arif FluentBoards.
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