CVE-2025-62931 MEDIUM

CVE-2025-62931: WordPress MSN Partner Hub plugin <= 2.9 - Broken Access Control vulnerability

Vendor Microsoftstart
Product MSN Partner Hub
Weakness CWE-862 · Missing authorization
Published October 27, 2025
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in microsoftstart MSN Partner Hub microsoft-start allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MSN Partner Hub: from n/a through <= 2.9.

Explanation of Vulnerability in Simple Terms

02Summary

MSN Partner Hub versions 2.9 and earlier contain an authorization flaw that allows authenticated users to read data they should not have access to. An attacker with a low-privilege account can view sensitive information without additional interaction. The vulnerability affects the confidentiality of data but does not allow modification or service disruption.

What an attacker can do

03Attacker Capabilities

Read sensitive data from other users or restricted areas of the site.

Potential impact on your site

04Site Impact

User data may be exposed to other authenticated users; review access logs and consider credential rotation.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

October 27, 2025 CVE published
April 28, 2026 Record updated