CVE-2026-77785
Received Received - Intake

Rank Math SEO Plugin Unauthorized Post Content Exposure

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: WPScan

Description
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the requesting user is permitted to read the specific post referenced in a request before returning its content and SEO metadata, allowing users with the Author role and above to read the title, body and metadata of other users' non-public posts.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-77785
EUVD
EUVD-2026-69840

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
rank_math seo to 1.0.277 (exc)
rank_math seo_wordpress_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 a flaw where it does not check if a user has permission to view a specific post before sharing its content and SEO metadata. This allows users with the Author role or higher to access non-public posts of other users.

Detection Guidance

To detect this vulnerability, check the installed version of the Rank Math SEO plugin. If it is below 1.0.277, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files for version details.

Impact Analysis

If you use this plugin, attackers with Author access or higher could read private posts, including their titles, content, and SEO metadata. This could expose sensitive information intended only for specific users or admins.

Compliance Impact

This vulnerability could lead to unauthorized access to private data, potentially violating GDPR (data protection) and HIPAA (health information privacy) by exposing sensitive user content without consent.

Mitigation Strategies

Immediately update the Rank Math SEO plugin to version 1.0.277 or later. Ensure only authorized users have roles with access to non-public posts. Monitor for unauthorized access attempts or unusual activity.

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