Rank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo Ability (CVE-2026-77786) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-77786

Rank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo Ability

Answer in brief

CVE-2026-77786 records a Unknown severity vulnerability in Rank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo Ability. The current sources do not mark it as known exploited. The current feed maps Unknown/Rank Math SEO (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 29, 2026Updated Aug 29, 2026Source checked Aug 29, 2026First seen by HOL Aug 29, 2026Material review Aug 29, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/Rank Math SEO (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/Rank Math SEOgeneric	>=1.0.271 <1.0.277	1.0.277

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/Rank Math SEO.
Review the reported fix. Update Unknown/Rank Math SEO to 1.0.277 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 29, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.