CVE-2023-40606 CRITICAL

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

Vendor Kanban For Wordpress
Product Kanban Boards for WordPress
Weakness CWE-94 · Code injection
Published December 29, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

The Kanban Boards for WordPress plugin through version 2.5.21 contains a code injection vulnerability that allows high-privileged users to execute arbitrary PHP code on the site. An attacker with administrator or equivalent access can inject malicious code through the plugin's functionality, leading to complete site compromise including data theft, modification, and service disruption.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full site access.

Potential impact on your site

04Site Impact

A compromised admin account can execute code to steal data, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Attacker must have high-level WordPress privileges (administrator or equivalent role).

Key dates

06Disclosure timeline

December 29, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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