Is CVE-2026-78466 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78466?

CVE-2026-78466 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-78466

Description

The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.