CVE-2024-54367 CRITICAL

CVE-2024-54367: WordPress ForumWP plugin <= 2.1.0 - PHP Object Injection vulnerability

Vendor Ultimate Member

Product ForumWP

Weakness CWE-502 · Unsafe deserialization

Published December 16, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Ultimate Member ForumWP forumwp allows Object Injection.This issue affects ForumWP: from n/a through <= 2.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

ForumWP versions up to 2.1.0 contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site without user interaction. The vulnerability stems from unsafe handling of serialized data, enabling remote code execution. Sites running affected versions should update immediately to a patched release.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site and take full control of it.

Potential impact on your site

04Site Impact

Complete site compromise, data theft, malware injection, and loss of control.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 16, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-54367 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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