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CVE-2026-77788

MEDIUM 4.9 CVSS 3.1
Published
September 2, 2026
Last modified
September 3, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

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.

Affected WordPress components

  • Rank Math SEO – AI SEO Tools to Dominate SEO Rankings Plugin · seo-by-rank-math
    Confirmed match Active
    From 1.0.48 (including) to 1.0.277 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Rank Math SEO — From 1.0.48 (including) to 1.0.277 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/c02511a0-9c8b-44cd-b25f-e95cf5f9fef3/
  • nvd.nist.gov Official NVD record