CVE-2026-39655 MEDIUM

CVE-2026-39655: WordPress Mayosis Core plugin <= 5.4.7 - Broken Access Control vulnerability

Vendor Teconcetheme
Product Mayosis Core
Weakness CWE-862 · Missing authorization
Published May 26, 2026
Last update May 26, 2026
View on NVD All CVEs

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

Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Mayosis Core: from n/a through 5.4.7.

Explanation of Vulnerability in Simple Terms

02Summary

Mayosis Core through version 5.4.7 lacks proper authorization checks, allowing unauthenticated attackers to modify data on affected sites. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 5.4.7 to remediate this issue.

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 authentication or user interaction required.

Key dates

06Disclosure timeline

May 26, 2026 CVE published
May 26, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-12557 Ninja Forms - File Uploads <= 3.3.29 - Missing Authorization to Unauthenticated Log Disclosure and Deletion via debug-log/delete-all and debug-log/get-all REST Endpoints CVE-2026-9230 Quiz and Survey Master (QSM) <= 11.1.4 - Missing Authorization to Authenticated (Contributor+) Arbitrary Quiz Modification and Email Reroute via Leaked Nonce from /quiz/structure CVE-2026-13468 Visualizer <= 4.0.3 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via /visualizer/v1/action/{chart}/{type}/ REST Endpoint CVE-2026-57669 WordPress Advanced Contact form 7 DB plugin <= 2.0.9 - Broken Access Control vulnerability CVE-2026-57746 WordPress Booked plugin <= 3.0.0 - Broken Access Control vulnerability