CVE-2021-4443 WordPress Mega Menu <= 2.0.6 - Arbitrary File Creation
Unauthenticated attackers can create arbitrary PHP files via the compiler_save AJAX action, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4443?
CVE-2021-4443 is a critical vulnerability in quadlayers QuadMenu – Mega Menu, published on 16 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2021-4443?
How do I fix CVE-2021-4443?
No fix has been published for CVE-2021-4443 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4443 being exploited?
There is no known exploitation of CVE-2021-4443 in the wild and no public exploit code.
Sources
Also known as GHSA-9crh-8h3q-mwwr.