Threat intelligence

Avada (Fusion) Builder <= 3.15.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Multiple Shortcodes

CVE-2026-1543 · 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 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Multiple Shortcodes
Affected software: fusion-builder(Plugin)
Affected versions: ≤ 3.15.2
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-1543
Published: 20 May 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 72a6b040-ed02-4561-82f2-4adb820bdf7d). Methodology and redistribution notes

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