CVE-2021-4443

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 16, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2021-4443: Critical severity, CVSS 9.8 | Vulnix