WordPress security changelog
LOW CVE-2026-77783 Deferred

Rank Math exposes schema and content from non-public posts

Rank Math SEO 1.0.48 through 1.0.276 does not verify that the post whose schema it renders is publicly viewable. An unauthenticated visitor can disclose schema and associated content from draft, pending, private, scheduled, and password-protected posts.

CVE / CNA score 3.7 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Rank Math SEO
Plugin slug
seo-by-rank-math
Affected
1.0.48 to < 1.0.277
Safe version
1.0.277
Published
Sep 02, 2026
Weakness
CWE-639 — Authorization Bypass Through User-Controlled Key

This CVE was published Sep 02, 2026 and is one of 26 known issues for this plugin.

Update, patch or deactivate.

Update to Rank Math SEO 1.0.277 or later and assess whether non-public post content was exposed through generated schema.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the post whose schema it renders on the front end is publicly viewable, allowing unauthenticated visitors to disclose the schema and associated content of draft, pending, private, scheduled and password-protected posts.

CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources