High severity8.8NVD Advisory· Published Jun 17, 2026· Updated Oct 1, 2026

CVE-2026-12256

Description

Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection.This issue affects Fusion Builder: from n/a through 3.15.3.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Fusion Builderllm-fuzzy
Range: <=3.15.3
Package: https://wordpress.org/plugins/fusion-builder

Patches

Vulnerability mechanics

References

patchstack.com/database/wordpress/plugin/fusion-builder/vulnerability/wordpress-avada-theme-3-15-3-php-object-injection-vulnerabilitynvd

News mentions

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