CVE-2026-104400: Bplugins B Blocks

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Bplugins B Blocks: up to and including 2.1.8

Published 2026-10-05. Last modified 2026-10-06.