Fusion Builder vulnerabilities
5 known CVE vulnerabilities in Fusion Builder, translated and rated.
- CVE-2026-54193High
In Fusion Builder versions <= 3.15.4, there is a vulnerability that allows arbitrary file deletion by users with appropriate permissions.
- CVE-2026-54194Critical
Fusion Builder versions up to 3.15.4 are vulnerable to PHP Object Injection, which may lead to unauthorized access or data manipulation.
- CVE-2026-56008High
The Fusion Builder plugin for WordPress versions 3.15.4 and earlier contains a privilege escalation vulnerability exploitable by contributors. An attacker with contributor role can gain unauthorized access to administrative functions.
- CVE-2026-12256High
Deserialization of Untrusted Data vulnerability in ThemeFusion Fusion Builder fusion-builder allows Object Injection. This issue affects Fusion Builder from n/a through 3.15.3.
- CVE-2025-49940Medium
Fusion Builder up to version 3.13.2 contains a DOM-Based XSS vulnerability due to improper input neutralization during web page generation. This allows an attacker to execute malicious scripts in the victim's browser.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

