Is CVE-2026-104400 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104400?

CVE-2026-104400 has a CVSS v3 severity of MEDIUM (6.5).

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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.