CVE-2026-22396 MEDIUM

CVE-2026-22396: WordPress Fiorello theme <= 1.0 - Insecure Direct Object References (IDOR) vulnerability

Vendor Mikado-Themes
Product Fiorello
Weakness CWE-639 · IDOR
Published January 22, 2026
Last update April 28, 2026

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 Fiorello fiorello allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fiorello: from n/a through <= 1.0.

Explanation of Vulnerability in Simple Terms

02Summary

Fiorello versions 1.0 and earlier contain an authorization flaw that allows authenticated users to modify or disable site functionality. An attacker with low-level account access can alter data or disrupt service availability without higher privileges. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Modify site data or disrupt availability after logging in with a low-privilege account.

Potential impact on your site

04Site Impact

Authenticated users can alter content or cause service disruption beyond their intended permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

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