Detections
Analytics

Avada Fusion Builder Plugin for WordPress < 3.16.1 Unauthenticated Arbitrary File Write

critical Web App Scanning Plugin ID 115454

Synopsis

Avada Fusion Builder Plugin for WordPress < 3.16.1 Unauthenticated Arbitrary File Write

Description

The WordPress Avada Fusion Builder Plugin installed on the remote host is affected by an Unauthenticated Arbitrary File Write due to a chain of authorization and input validation weaknesses.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Avada Fusion Builder Plugin for WordPress version 3.16.1 or later.

See Also

https://avada.com/documentation/avada-changelog/

Plugin Details

Severity: Critical

ID: 115454

Type: Version Based

Published: 9/1/2026

Updated: 9/1/2026

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 99.01

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-18431

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2026-18431

Vulnerability Information

CPE: cpe:2.3:a:theme-fusion:avada:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/25/2026

Vulnerability Publication Date: 8/24/2026

Reference Information

CVE: CVE-2026-18431