Threat intelligence

Avada (Fusion) Builder <= 3.15.2 - Unauthenticated Remote Code Execution via PHP Function Injection via 'render_logics' Shortcode Attribute via Widget AJAX Handler

CVE-2026-6279 · fusion-builder

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Fusion Builder at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Avada (Fusion) Builder <= 3.15.2 - Unauthenticated Remote Code Execution via PHP Function Injection via 'render_logics' Shortcode Attribute via Widget AJAX Handler
Affected software: fusion-builder(Plugin)
Affected versions: ≤ 3.15.2
Authentication: Unauthenticated
Vulnerability type: Remote code execution
CVE: CVE-2026-6279
Published: 20 May 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run arbitrary code on the server if exploited.
Source: Data imported from Wordfence Intelligence (advisory 5dc72d78-d47c-4b36-8d69-8672e15ddf8c). Methodology and redistribution notes

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