What is GHSA-fc88-8573-9hfx?

GHSA-fc88-8573-9hfx is a security advisory published by GitHub Security Advisories with Medium severity. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Which CVE IDs does GHSA-fc88-8573-9hfx cover?

GHSA-fc88-8573-9hfx covers the following CVE IDs: CVE-2026-104400. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fc88-8573-9hfx?

GHSA-fc88-8573-9hfx has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-fc88-8573-9hfxMediumCVSS 6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Vendor

GitHub Security Advisories

Published

October 5, 2026

Last Modified

October 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-104400 →

📋 Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins B Blocks b-blocks allows Stored XSS.This issue affects B Blocks: from n/a through 2.1.8.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-104400
https://patchstack.com/database/wordpress/plugin/b-blocks/vulnerability/wordpress-b-blocks-plugin-2-1-8-cross-site-scripting-xss-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-fc88-8573-9hfx