CVE-2026-34886 HIGH

CVE-2026-34886: WordPress Simple Membership plugin <= 4.7.1 - Broken Access Control vulnerability

Vendor Wp.insider
Product Simple Membership
Weakness CWE-862 · Missing authorization
Published June 15, 2026
Last update June 15, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Simple Membership <= 4.7.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Membership versions up to 4.7.1 lack proper authorization checks, allowing unauthenticated attackers to modify site data over the network. The vulnerability does not expose sensitive information or disrupt availability, but attackers can alter content or settings without logging in. Site administrators should update to a version newer than 4.7.1 immediately.

What an attacker can do

03Attacker Capabilities

Modify site data or settings without authentication.

Potential impact on your site

04Site Impact

Unauthorized changes to membership data, settings, or site content without admin approval.

Conditions required to exploit

05Prerequisites

Network access only; no login or user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 15, 2026 Record updated

Related vulnerabilities

08Related CVE

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