🔐 CVE Alert

CVE-2026-54194

CRITICAL 9.8

WordPress Fusion Builder plugin <= 3.15.4 - PHP Object Injection vulnerability

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-502
Vendor themefusion
Product fusion builder
Published Jun 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

ThemeFusion / Fusion Builder
n/a ≤ 3.15.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗
patchstack.com: https://patchstack.com/database/wordpress/plugin/fusion-builder/vulnerability/wordpress-fusion-builder-plugin-3-15-4-php-object-injection-vulnerability?_s_id=cve

Credits

daroo | Patchstack Bug Bounty Program