CVE-2026-27399 MEDIUM

CVE-2026-27399: WordPress MarketKing plugin <= 2.1.40 - Broken Access Control vulnerability

Vendor Webwizards
Product MarketKing
Weakness CWE-862 · Missing authorization
Published July 23, 2026
Last update July 23, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in MarketKing <= 2.1.40 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MarketKing versions up to 2.1.40 lack proper authorization checks, allowing unauthenticated attackers to modify data on the site. An attacker can send network requests without logging in to alter information. No confidentiality breach occurs, but data integrity is at risk. Update to a version newer than 2.1.40.

What an attacker can do

03Attacker Capabilities

Modify site data without authentication.

Potential impact on your site

04Site Impact

Unauthorized changes to site content or settings without admin approval.

Conditions required to exploit

05Prerequisites

Network access only; no login or user interaction required.

Key dates

06Disclosure timeline

July 23, 2026 CVE published
July 23, 2026 Record updated