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CRITICAL

CVE-2021-4443

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
2024-10-16

Frequently asked questions

What is CVE-2021-4443?

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.

Is CVE-2021-4443 actively exploited?

Active exploitation of CVE-2021-4443 has not been confirmed. The EPSS score is 1.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-4443?

CVE-2021-4443 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-4443 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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