CVE-2023-39310 MEDIUM

CVE-2023-39310: WordPress Avada Builder plugin <= 3.11.1 - Authenticated Broken Access Control vulnerability

Vendor Themefusion

Product Fusion Builder

Weakness CWE-862 · Missing authorization

Published June 19, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in ThemeFusion Fusion Builder.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 lack proper authorization checks, allowing authenticated users with low privileges to modify site content and availability. An attacker with a basic user account can bypass intended access controls to alter or disable functionality. Update to a version newer than 3.11.1 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Modify site content and disrupt availability with a low-privilege user account.

Potential impact on your site

04Site Impact

Unauthorized users can alter page content and cause service disruptions without admin approval.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

June 19, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-39310 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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