What is GHSA-qwf2-rfq8-mpjg?

GHSA-qwf2-rfq8-mpjg is a security advisory published by GitHub Security Advisories with Critical severity. Editor Arbitrary File Upload in Mailster \u003c= 4.1.17 versions.

Which CVE IDs does GHSA-qwf2-rfq8-mpjg cover?

GHSA-qwf2-rfq8-mpjg covers the following CVE IDs: CVE-2026-27064. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qwf2-rfq8-mpjg?

GHSA-qwf2-rfq8-mpjg has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-qwf2-rfq8-mpjgCriticalCVSS 9.1

Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

July 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-27064 →

📋 Description

Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-27064
https://patchstack.com/database/wordpress/plugin/mailster/vulnerability/wordpress-mailster-plugin-4-1-17-arbitrary-file-upload-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-qwf2-rfq8-mpjg