CVE-2021-4443

WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.36%
Affected: quadlayers WordPress Mega Menu – QuadMenu
Published at:
Updated at:

References

Link Tags
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/

Frequently Asked Questions

What is the severity of CVE-2021-4443?
CVE-2021-4443 has been scored as a critical severity vulnerability.
How to fix CVE-2021-4443?
To fix CVE-2021-4443, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4443 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4443 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4443?
CVE-2021-4443 affects quadlayers WordPress Mega Menu – QuadMenu.
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