CVE-2026-22400 MEDIUM

CVE-2026-22400: WordPress Holmes theme <= 1.7 - Insecure Direct Object References (IDOR) vulnerability

Vendor Mikado-Themes
Product Holmes
Weakness CWE-639 · IDOR
Published January 22, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Holmes holmes allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Holmes: from n/a through <= 1.7.

Explanation of Vulnerability in Simple Terms

02Summary

Holmes theme versions 1.7 and earlier contain a vulnerability allowing authenticated users to modify site data or cause service disruptions. An attacker with low-level account access can exploit this over the network without user interaction. The vulnerability affects data integrity and availability but not confidentiality.

What an attacker can do

03Attacker Capabilities

Modify site data or disrupt service availability with a low-privilege account.

Potential impact on your site

04Site Impact

Authenticated users can alter content or cause downtime; requires account restrictions or immediate patching.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site; network access.

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated