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CVE-2021-4443

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CVE-2021-4443

Published: Oct 16, 2024

Modified: Apr 8, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

The WordPress Mega Menu plugin for WordPress is vulnerable to Arbitrary File Creation in versions up to, and including, 2.0.6 via the compiler_save AJAX action. This makes it possible for unauthenticated attackers to create arbitrary PHP files that can be used to execute malicious code.

VendorProductVersions

quadlayers

QuadMenu – Mega Menu

affected
0 - <= 2.0.6

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

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