CVE-2021-4443

WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation

State: Published
Severity: 9.8 Critical
Published: Oct 16, 2024
Updated: Apr 8, 2026
Reserved: Oct 15, 2024

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	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Wordfence

Weaknesses

CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

Product	Versions
QuadMenu – Mega Menuquadlayers	2.0.6 and earlierAffected

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/04003542-fd62-4587-9834-70e7fe8f08ef?source=cve
https://sh3llcon.org/la-debilidad-de-wordpress/
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-wordpress-mega-menu-quadmenu-remote-code-execution-2-0-6/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.