What is GHSA-4mc9-h8qv-hj9w?

GHSA-4mc9-h8qv-hj9w is a security advisory published by GitHub Security Advisories with Critical severity. Unauthenticated PHP Object Injection in Education Center \u003c= 3.6.12 versions.

Which CVE IDs does GHSA-4mc9-h8qv-hj9w cover?

GHSA-4mc9-h8qv-hj9w covers the following CVE IDs: CVE-2026-66483. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4mc9-h8qv-hj9w?

GHSA-4mc9-h8qv-hj9w has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-4mc9-h8qv-hj9wCriticalCVSS 9.8

Unauthenticated PHP Object Injection in Education Center <= 3.6.12 versions.

Vendor

GitHub Security Advisories

Published

October 10, 2026

Last Modified

October 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-66483 →

📋 Description

Unauthenticated PHP Object Injection in Education Center <= 3.6.12 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66483
https://patchstack.com/database/wordpress/theme/education/vulnerability/wordpress-education-center-theme-3-6-12-php-object-injection-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-4mc9-h8qv-hj9w