Description
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the metadata row being updated belongs to the object the user was authorised against, allowing users with the Author role and above to overwrite arbitrary post and user metadata, including that belonging to higher-privileged users.
Published: 2026-09-02
Score: 4.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Wed, 02 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Wed, 02 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-639
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Rank Math Seo
Rank Math Seo rank Math Seo
Wordpress
Wordpress wordpress
Weaknesses CWE-284
Vendors & Products Rank Math Seo
Rank Math Seo rank Math Seo
Wordpress
Wordpress wordpress

Wed, 02 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the metadata row being updated belongs to the object the user was authorised against, allowing users with the Author role and above to overwrite arbitrary post and user metadata, including that belonging to higher-privileged users.
Title Rank Math SEO < 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemas
References

Subscriptions

Rank Math Seo Rank Math Seo
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-02T10:45:56.783Z

Reserved: 2026-08-21T12:06:34.124Z

Link: CVE-2026-77788

cve-icon Vulnrichment

Updated: 2026-09-02T10:12:00.487Z

cve-icon NVD

Status : Received

Published: 2026-09-02T06:17:17.970

Modified: 2026-09-02T11:17:21.430

Link: CVE-2026-77788

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T13:30:05Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key