CVE-2021-4443

CRITICAL EPSS 46.7%
Published Oct 16, 20241y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Oct 16, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
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

Threat Intelligence

EPSS Exploit Probability
46.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.