What is GHSA-7c27-g5rf-hg4g?

GHSA-7c27-g5rf-hg4g is a security advisory published by GitHub Security Advisories with High severity. MCMS 6.1.1 through 6.2.1 is vulnerable to stored Cross-Site Scripting (XSS). The article content...

Which CVE IDs does GHSA-7c27-g5rf-hg4g cover?

GHSA-7c27-g5rf-hg4g covers the following CVE IDs: CVE-2026-88415. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-7c27-g5rf-hg4g?

GHSA-7c27-g5rf-hg4g has a CVSS v3 base score of 8.7, published by GitHub Security Advisories.

GHSA-7c27-g5rf-hg4gHighCVSS 8.7

MCMS 6.1.1 through 6.2.1 is vulnerable to stored Cross-Site Scripting (XSS). The article content...

Vendor

GitHub Security Advisories

Published

September 22, 2026

Last Modified

September 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-88415 →

📋 Description

MCMS 6.1.1 through 6.2.1 is vulnerable to stored Cross-Site Scripting (XSS). The article content field contentDetails is excluded from the global XSS filter.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88415
https://github.com/15536818056/CVE/issues/2
https://github.com/advisories/GHSA-7c27-g5rf-hg4g