What is GHSA-8x3x-hpv5-fj9r?

GHSA-8x3x-hpv5-fj9r is a security advisory published by GitHub Security Advisories with High severity. Unauthenticated Cross Site Scripting (XSS) in SEO Plugin by Squirrly SEO \u003c= 14.2.0 versions.

Which CVE IDs does GHSA-8x3x-hpv5-fj9r cover?

GHSA-8x3x-hpv5-fj9r covers the following CVE IDs: CVE-2026-66664. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8x3x-hpv5-fj9r?

GHSA-8x3x-hpv5-fj9r has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-8x3x-hpv5-fj9rHighCVSS 7.1

Unauthenticated Cross Site Scripting (XSS) in SEO Plugin by Squirrly SEO <= 14.2.0 versions.

Vendor

GitHub Security Advisories

Published

August 6, 2026

Last Modified

August 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-66664 →

📋 Description

Unauthenticated Cross Site Scripting (XSS) in SEO Plugin by Squirrly SEO <= 14.2.0 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66664
https://patchstack.com/database/wordpress/plugin/squirrly-seo/vulnerability/wordpress-seo-plugin-by-squirrly-seo-plugin-14-1-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-8x3x-hpv5-fj9r