What is GHSA-99hr-mrh8-j9g3?

GHSA-99hr-mrh8-j9g3 is a security advisory published by GitHub Security Advisories with High severity. Unauthenticated Cross Site Scripting (XSS) in Form Block \u003c= 1.8.1 versions.

Which CVE IDs does GHSA-99hr-mrh8-j9g3 cover?

GHSA-99hr-mrh8-j9g3 covers the following CVE IDs: CVE-2026-104814. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-99hr-mrh8-j9g3?

GHSA-99hr-mrh8-j9g3 has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-99hr-mrh8-j9g3HighCVSS 7.1

Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.

Vendor

GitHub Security Advisories

Published

October 6, 2026

Last Modified

October 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-104814 →

📋 Description

Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-104814
https://patchstack.com/database/wordpress/plugin/form-block/vulnerability/wordpress-form-block-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-99hr-mrh8-j9g3