Vulnerability · Published Oct 16, 2024 · Assigned by Wordfence

CVE-2021-4443WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation

Critical 9.8

In plain English

A critical-severity unrestricted file upload in QuadMenu – Mega Menu from quadlayers. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 47.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
quadlayers QuadMenu – Mega Menu 0 – through 2.0.6

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References