What is GHSA-cvhf-m4qh-hf7x?

GHSA-cvhf-m4qh-hf7x is a security advisory published by GitHub Security Advisories with High severity. Unauthenticated Privilege Escalation in MStore API \u003c= 4.20.0 versions.

Which CVE IDs does GHSA-cvhf-m4qh-hf7x cover?

GHSA-cvhf-m4qh-hf7x covers the following CVE IDs: CVE-2026-27543. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cvhf-m4qh-hf7x?

GHSA-cvhf-m4qh-hf7x has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-cvhf-m4qh-hf7xHighCVSS 8.1

Unauthenticated Privilege Escalation in MStore API <= 4.20.0 versions.

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-27543 →

📋 Description

Unauthenticated Privilege Escalation in MStore API <= 4.20.0 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-27543
https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-20-0-privilege-escalation-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-cvhf-m4qh-hf7x