CVE-2026-77787: low-severity vulnerability in Rank Math SEO
Rank Math SEO < 1.0.277 - Author+ Term Metadata Update and Cross-Object Post Title Overwrite via updateMetaBulk
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.7epss 0.3%
The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · Rank Math SEOpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/849a4859-e10e-49e6-9c38-265b902507b8/unverified⚠ 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%