CVE-2026-77786
Received Received - Intake

Rank Math SEO Plugin Privilege Escalation Vulnerability

Publication date: 2026-08-29

Last updated on: 2026-08-29

Assigner: WPScan

Description
The Rank Math SEO WordPress plugin before 1.0.277 does not check that the user requesting an automated SEO fix holds the capability WordPress itself requires for the settings being changed, allowing users with the Editor role to modify site-wide core WordPress settings that are reserved to administrators.

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Meta Information

Published
2026-08-29
Last Modified
2026-08-29
Generated
2026-08-29
AI Q&A
2026-08-29
EPSS Evaluated
N/A
NVD
CVE-2026-77786
EUVD
EUVD-2026-68059

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
rank_math seo_plugin to 1.0.277 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The Rank Math SEO WordPress plugin before version 1.0.277 has an authorization flaw where it does not verify if a user has the required administrative capability before allowing them to modify core WordPress settings. This means users with the Editor role can change site-wide settings that should only be accessible to administrators.

Detection Guidance

Check the installed version of the Rank Math SEO plugin. If it is below 1.0.277, the system is vulnerable. Use WordPress admin panel or run a command like 'wp plugin list' if using WP-CLI to verify the version.

Impact Analysis

This vulnerability allows unauthorized users with the Editor role to alter critical WordPress settings, potentially leading to site misconfiguration, security risks, or unintended changes to site behavior. It could compromise site integrity or expose sensitive data.

Mitigation Strategies

Update the Rank Math SEO plugin to version 1.0.277 or later immediately. Ensure only administrators have access to core WordPress settings and review user roles for unnecessary elevated permissions.

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