Threat intelligence

Avada (Fusion) Builder <= 3.15.1 - Authenticated (Subscriber+) Limited Arbitrary WordPress Action Execution

CVE-2026-1509 · 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 <= 3.15.1 - Authenticated (Subscriber+) Limited Arbitrary WordPress Action Execution
Affected software: fusion-builder(Plugin)
Affected versions: ≤ 3.15.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-1509
Published: 14 April 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory fdc57b06-bae9-49a3-84dd-f593705330e9). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Fusion Builder version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Fusion Builder advisoriesBack to catalog