CVE-2026-66464 MEDIUM

CVE-2026-66464: WordPress Internal Link Optimiser plugin <= 5.2.7 - Broken Access Control vulnerability

Vendor Toast Plugins
Product Internal Link Optimiser
Weakness CWE-862 · Missing authorization
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Internal Link Optimiser <= 5.2.7 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Internal Link Optimiser versions up to 5.2.7 lack proper authorization checks, allowing unauthenticated attackers to read and modify link data. The vulnerability requires no user interaction and is exploitable over the network. An attacker can access or alter internal link configurations without permission.

What an attacker can do

03Attacker Capabilities

Read and modify internal link data without authentication.

Potential impact on your site

04Site Impact

Attackers can view and alter your site's internal link structure and configurations without logging in.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated

Related vulnerabilities

08Related CVE

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