Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-77786
Unknown Rank Math SEO — Rank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo Ability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H N U N H N 4.9 .0033 24.1 —
AFFECTED
Product Versions Fixed
Rank Math SEO 1.0.271 – —
TIMELINE
Aug 21 Reserved by WPScan
Aug 29 Published (CNA: WPScan)
Aug 30 EXPLOIT PUBLISHED — CVE-2026-77786 (Unknown Rank Math SEO). Public exploit reference added.
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not check that the user requesting an automated SEO fix holds the capability WordPress itself requires for the settings being changed, allowing users with the Editor role to modify site-wide core WordPress settings that are reserved to administrators.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 21, 2026 | Reserved | Reserved by WPScan |
| August 29, 2026 | Published | Published (CNA: WPScan) |
| August 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-77786 (Unknown Rank Math SEO). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | Rank Math SEO | — | 1.0.271 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-77786 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
