Is CVE-2026-104398 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104398?

CVE-2026-104398 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-104398

Description

Deserialization of Untrusted Data vulnerability in VillaTheme AFFI – Affiliate Marketing for WooCommerce affi-affiliate-marketing-for-woo allows Object Injection.This issue affects AFFI – Affiliate Marketing for WooCommerce: from n/a through 1.0.10.