CVE-2026-77788

The Rank Math SEO WordPress plugin before 1.0.277 contains an insufficient authorization check in the updateSchemas function. The plugin does not verify that the metadata row being updated belongs to the object the user was authorized against, allowing users with the Author role or higher to over...

CVE-2026-77788 Rank Math SEO < 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemas

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...