CVE-2026-54194: WordPress Fusion Builder plugin <= 3.15.4 - PHP Object Injection vulnerability

Published Jun 16, 2026
·
Updated

Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.

Affected Software

1 affected component
ThemeFusion Fusion Builder<=3.15.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress Fusion Builder Plugin to a version that resolves this vulnerability.

    Fixed in 3.15.5

Event History

Jun 16, 2026
CVE Published
via MITRE·08:56 PM
Data Sourced
via MITRE·08:56 PM
RemedyDescriptionSeverityWeakness
Jun 17, 2026
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2026-54194?

CVE-2026-54194 has a critical severity rating of 9.8.

2

What vulnerability is associated with CVE-2026-54194?

CVE-2026-54194 is a PHP Object Injection vulnerability in the Fusion Builder plugin versions up to 3.15.4.

3

How do I fix CVE-2026-54194?

To mitigate CVE-2026-54194, update the Fusion Builder plugin to the latest version beyond 3.15.4.

4

What impact does CVE-2026-54194 have on user data?

CVE-2026-54194 can lead to compromised confidentiality, integrity, and availability of user data due to PHP Object Injection.

5

Is CVE-2026-54194 a vulnerability that affects all users?

CVE-2026-54194 affects all users of the Fusion Builder plugin version 3.15.4 and earlier, particularly those with inadequate security measures.

Contact

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