CVE-2023-40606 WordPress Kanban Boards for WordPress Plugin <= 2.5.21 is vulnerable to Arbitrary Code Execution

Q: What is CVE-2023-40606?

CVE-2023-40606 is a critical code injection vulnerability in Kanban Boards for WordPress, published on 29 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Q: Is CVE-2023-40606 being exploited?

There is no known exploitation of CVE-2023-40606 in the wild and no public exploit code.

Q: How do I fix CVE-2023-40606?

No fix has been published for CVE-2023-40606 yet. Limit exposure of the affected software until one is available.

Critical 9.1 Published 29 Dec 2023 Updated 28 Apr 2026

Attackers can execute arbitrary code via improper code generation in the Kanban Boards for WordPress plugin.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-40606?

CVE-2023-40606 is a critical code injection vulnerability in Kanban Boards for WordPress, published on 29 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Improper Control of Generation of Code ('Code Injection') vulnerability in Kanban for WordPress Kanban Boards for WordPress.This issue affects Kanban Boards for WordPress: from n/a through 2.5.21.

Weakness: CWE-94

Which versions are affected by CVE-2023-40606?

It affects 1 product.

Products include Kanbanwp Kanban Boards for Wordpress.

How do I fix CVE-2023-40606?

No fix has been published for CVE-2023-40606 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-40606 being exploited?

There is no known exploitation of CVE-2023-40606 in the wild and no public exploit code.

Sources

Also known as GHSA-32mh-vqmr-g449.