CVE-2021-4443

WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation

Published Oct 16, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-34628 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00532}

epss

{'score': 0.00592}

Type Values Removed Values Added
First Time appeared Quadlayers
Quadlayers wordpress Mega Menu-quadmenu
CPEs cpe:2.3:a:quadlayers:wordpress_mega_menu-quadmenu:*:*:*:*:*:*:*:*
Vendors & Products Quadlayers
Quadlayers wordpress Mega Menu-quadmenu
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 4:33 PM
Reserved
Oct 15, 2024, 6:21 PM
Status
Deferred
Published
Oct 16, 2024, 7:15 AM
Modified
Jun 17, 2026, 4:19 AM