CVE-2026-77783 Rank Math SEO < 1.0.277 - Unauthenticated Non-Public Post Schema and Content Disclosure

Low 3.7 Published Updated

Unauthenticated attackers can view schema and content of non-public posts in Rank Math SEO plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-77783?

CVE-2026-77783 is a low-severity vulnerability in Unknown Rank Math SEO, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-77783?

How do I fix CVE-2026-77783?

No fix has been published for CVE-2026-77783 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-77783 being exploited?

There is no known exploitation of CVE-2026-77783 in the wild and no public exploit code.

Sources

Also known as GHSA-597x-94h4-64xw.

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