What is GHSA-77r4-g858-h4qm?

GHSA-77r4-g858-h4qm is a security advisory published by GitHub Security Advisories with High severity. Unauthenticated Cross Site Scripting (XSS) in perfmatters \u003c= 2.6.3 versions.

Which CVE IDs does GHSA-77r4-g858-h4qm cover?

GHSA-77r4-g858-h4qm covers the following CVE IDs: CVE-2026-56047. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-77r4-g858-h4qm?

GHSA-77r4-g858-h4qm has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-77r4-g858-h4qmHighCVSS 7.1

Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.3 versions.

Vendor

GitHub Security Advisories

Published

June 26, 2026

Last Modified

June 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-56047 →

📋 Description

Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.3 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56047
https://patchstack.com/database/wordpress/plugin/perfmatters/vulnerability/wordpress-perfmatters-plugin-2-6-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-77r4-g858-h4qm