CVE-2026-77783lowCWE-639

CVE-2026-77783: low-severity vulnerability in Rank Math SEO

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

Published

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28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 3.7epss 0.3%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Rank Math SEO
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Rank Math SEO

In the same product, most dangerous first.

CVE-2026-104752HIGHRank Math SEO < 1.0.280 - Admin+ Arbitrary File Upload to RCE via Settings ImportEPSS 0.5%CVE-2024-4627MEDIUMRank Math SEO < 1.0.219 - Authenticated Stored XSSEPSS 0.4%CVE-2026-77782MEDIUMRank Math SEO < 1.0.277.1 - Unauthenticated Password-Protected Post Content Disclosure via Post Metadata and llms.txtEPSS 0.3%CVE-2026-77788MEDIUMRank Math SEO < 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemasEPSS 0.3%CVE-2026-77786MEDIUMRank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo AbilityEPSS 0.3%CVE-2026-77785LOWRank Math SEO < 1.0.277 - Author+ Non-Public Post Content Disclosure via Abilities APIEPSS 0.3%