CVE-2026-77782: Unknown Rank Math Seo

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Rank Math SEO WordPress plugin before 1.0.277.1 does not check whether a post is password protected before using its content to build publicly generated SEO metadata, allowing unauthenticated users to read the content of password-protected posts.

Affected products

• Unknown Rank Math Seo: before 1.0.277.1 (fixed in 1.0.277.1)

Published 2026-09-02. Last modified 2026-09-03.