CVE-2026-54194

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

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

Affected

ThemeFusion · Fusion Builder

CVSS v3.1 PATCHSTACK

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.56% chance of exploitation in the next 30 days, 46th percentile

Nuclei

low

Published

2026-06-16

Updated

2026-06-17

Nuclei templates (1)

• topscoder/nuclei-wordfence-cve/blob/main/nuclei-templates/2026/CVE-2026-54194-fusion_buil…

References

• CVE Record
• NVD entry