Security Advisory

CVE-2026-77788

4.9
MEDIUM

Vulnerability 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 Date September 2, 2026
Official Source NIST NVD Advisory