Description
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.
Published: 2026-06-16
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Update the WordPress Fusion Builder plugin to the latest available version (at least 3.15.4).

Tracking

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Advisories

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History

Thu, 01 Oct 2026 17:30:00 +0000


Thu, 01 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description Contributor PHP Object Injection in Avada <= 3.15.3 versions. 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.
Title WordPress Avada theme <= 3.15.3 - PHP Object Injection vulnerability WordPress Fusion Builder plugin <= 3.15.3 - PHP Object Injection vulnerability
References

Fri, 26 Jun 2026 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Theme-fusion
Theme-fusion avada
Wordpress
Wordpress wordpress
Vendors & Products Theme-fusion
Theme-fusion avada
Wordpress
Wordpress wordpress

Wed, 17 Jun 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 16 Jun 2026 22:00:00 +0000

Type Values Removed Values Added
Description Contributor PHP Object Injection in Avada <= 3.15.3 versions.
Title WordPress Avada theme <= 3.15.3 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Theme-fusion Avada
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-10-01T16:57:06.846Z

Reserved: 2026-06-15T08:56:12.050Z

Link: CVE-2026-12256

cve-icon Vulnrichment

Updated: 2026-06-17T10:44:32.824Z

cve-icon NVD

Status : Deferred

Published: 2026-06-17T13:19:57.723

Modified: 2026-10-01T17:17:19.583

Link: CVE-2026-12256

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T00:00:15Z

Weaknesses