CVE-2023-39306 HIGH

CVE-2023-39306: WordPress Avada Builder plugin <= 3.11.1 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Themefusion
Product Fusion Builder
Weakness CWE-79 · XSS
Published March 27, 2024
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeFusion Fusion Builder allows Reflected XSS.This issue affects Fusion Builder: from n/a through 3.11.1.

Explanation of Vulnerability in Simple Terms

02Summary

Fusion Builder versions up to 3.11.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the page. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or defacement.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser to steal credentials or hijack sessions.

Potential impact on your site

04Site Impact

Visitors to your site may have their sessions hijacked or credentials stolen if they interact with attacker-controlled content.

Conditions required to exploit

05Prerequisites

The victim must visit a page or click a link crafted by the attacker; no authentication required.

Key dates

06Disclosure timeline

March 27, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE