CVE-2026-66459
Deferred Deferred - Pending Action

Unauthenticated Broken Access Control in AI for SEO

Vulnerability report for CVE-2026-66459, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description

Unauthenticated Broken Access Control in AI for SEO <= 2.4.2 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-09-03
AI Q&A
2026-08-13
EPSS Evaluated
2026-09-01
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ai_for_seo ai_for_seo to 2.4.2 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is an Unauthenticated Broken Access Control vulnerability in the AI for SEO plugin versions 2.4.2 and below. It allows unauthorized users to perform actions they should not be able to due to improper access restrictions.

Detection Guidance

Since this is an unauthenticated broken access control issue in AI for SEO <= 2.4.2, detection requires checking for unauthorized access to restricted functions. Review application logs for unusual access patterns or requests to admin endpoints without authentication. Inspect network traffic for requests to vulnerable endpoints. Test with tools like curl to send requests to potential admin routes and verify if access is granted without credentials.

Impact Analysis

An attacker could exploit this to modify settings, access sensitive data, or perform unauthorized actions in the plugin without authentication. This could lead to data leaks, unauthorized changes, or service disruption.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access control. Compliance may be compromised if exploited.

Mitigation Strategies

Update AI for SEO to the latest version beyond 2.4.2 to patch the unauthenticated broken access control vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-66459. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart