CVE-2021-4443

CRITICAL EXPLOITED

WordPress Mega Menu <2.0.6 - RCE

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0226
EPSS Percentile 84.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2024-10-15
CWE
CWE-434
Status published
Products (2)
quadlayers/QuadMenu – Mega Menu < 2.0.6
quadlayers/WordPress Mega Menu – QuadMenu < 2.0.6
Published Oct 16, 2024
Tracked Since Feb 18, 2026