CVE-2024-54282 HIGH

CVE-2024-54282: WordPress WP Mega Menu plugin <= 1.4.2 - PHP Object Injection vulnerability

Vendor Themeum
Product WP Mega Menu
Weakness CWE-502 · Unsafe deserialization
Published December 13, 2024
Last update April 28, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Themeum WP Mega Menu wp-megamenu allows Object Injection.This issue affects WP Mega Menu: from n/a through <= 1.4.2.

Explanation of Vulnerability in Simple Terms

02Summary

WP Mega Menu versions up to 1.4.2 contain a deserialization vulnerability that allows authenticated administrators to execute arbitrary PHP code on the site. An attacker with admin access can craft malicious serialized data that, when processed by the plugin, runs their own code with full site privileges. This requires high-level access but poses a critical risk if admin accounts are compromised.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full administrative privileges.

Potential impact on your site

04Site Impact

A compromised admin account can lead to complete site takeover, data theft, malware injection, or site destruction.

Conditions required to exploit

05Prerequisites

Attacker must have WordPress administrator account access; no user interaction required.

Key dates

06Disclosure timeline

December 13, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE