What is GHSA-f837-mqhp-xxmg?

GHSA-f837-mqhp-xxmg is a security advisory published by GitHub Security Advisories with Critical severity. Unauthenticated PHP Object Injection in Forminator \u003c= 1.57.0 versions.

Which CVE IDs does GHSA-f837-mqhp-xxmg cover?

GHSA-f837-mqhp-xxmg covers the following CVE IDs: CVE-2026-66583. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f837-mqhp-xxmg?

GHSA-f837-mqhp-xxmg has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-f837-mqhp-xxmgCriticalCVSS 9.8

Unauthenticated PHP Object Injection in Forminator <= 1.57.0 versions.

Vendor

GitHub Security Advisories

Published

August 20, 2026

Last Modified

August 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-66583 →

📋 Description

Unauthenticated PHP Object Injection in Forminator <= 1.57.0 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66583
https://patchstack.com/database/wordpress/plugin/forminator/vulnerability/wordpress-forminator-plugin-1-57-0-php-object-injection-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-f837-mqhp-xxmg