CVE-2024-52369 CRITICAL

CVE-2024-52369: WordPress KBucket plugin <= 4.2.2 - Arbitrary File Upload vulnerability

Vendor Optimal Access
Product KBucket
Weakness CWE-434 · Unrestricted file upload
Published November 14, 2024
Last update May 12, 2026

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Optimal Access KBucket kbucket allows Upload a Web Shell to a Web Server.This issue affects KBucket: from n/a through <= 4.2.2.

Explanation of Vulnerability in Simple Terms

02Summary

KBucket versions 4.2.2 and earlier allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files that may be executed on the server, potentially compromising the entire system. The vulnerability affects confidentiality, integrity, and availability of the application.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the server to compromise the system.

Potential impact on your site

04Site Impact

An attacker with basic user access can run their own code on your server and access or modify any data.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the KBucket instance.

Key dates

06Disclosure timeline

November 14, 2024 CVE published
May 12, 2026 Record updated

Related vulnerabilities

08Related CVE