Contributor Broken Access Control in Slim SEO

Compliance Impact

The provided information does not specify how the Broken Access Control vulnerability in Slim SEO versions 4.6.2 and earlier impacts compliance with common standards and regulations such as GDPR or HIPAA.

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Executive Summary

CVE-2026-57429 is a Broken Access Control vulnerability found in the WordPress Slim SEO Plugin versions 4.6.2 and earlier.

This security flaw allows unprivileged users to perform actions that normally require higher privileges because of missing authorization, authentication, or nonce token checks.

Essentially, it means that users without proper permissions can exploit the plugin to carry out restricted operations.

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Impact Analysis

The vulnerability can be exploited by attackers to perform unauthorized actions on websites using the affected Slim SEO plugin versions.

This could lead to unauthorized changes or manipulations within the website's SEO settings or other plugin-related functions.

Attackers could launch mass campaigns targeting thousands of websites regardless of their size or popularity.

The impact is considered low severity with a CVSS score of 6.5, but it still poses a significant risk if left unpatched.

Immediate updating to version 4.7.0 or later is recommended to mitigate this risk.

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Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the Slim SEO WordPress plugin to version 4.7.0 or later.

If you are unable to update the plugin yourself, seek assistance from your hosting provider or a developer.

Users of Patchstack can enable auto-updates for vulnerable plugins to ensure timely patching.

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