Is CVE-2026-40804 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-40804?

CVE-2026-40804 has a CVSS v3 severity of HIGH (7.1).

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CVE-2026-40804

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kodezen LLC aBlocks ablocks allows Reflected XSS.This issue affects aBlocks: from n/a through 2.16.0.